GMAT Sentence Correction MCQs

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Sentence Correction historically formed a pillar of the Graduate Management Admission Test (GMAT) Verbal Reasoning section, evaluating a candidate’s command of standard written English, grammatical precision, and rhetorical effectiveness. Although the streamlined GMAT Focus Edition officially removed standalone Sentence Correction items to focus exclusively on Reading Comprehension and Critical Reasoning, mastering sentence-level mechanics remains invaluable for recognizing stylistic errors and writing clear business prose. Rigorous practice with targeted multiple-choice questions helps aspirants refine their understanding of subject-verb agreement, modifier placement, parallelism, and idiomatic structure.

1. Identify the correct version of the bracketed part: The bouquet of red roses [are smelling] beautiful.

a) are smelling
b) is smelling
c) smells
d) smell
Correct Answer: c) smells
Explanation:
The subject 'bouquet' is singular, so it requires the singular verb 'smells'. 'Is smelling' implies a continuous action that does not fit the static nature of the flower's scent.

2. Identify the correct version of the bracketed part: The number of students attending the seminar [are increasing] every year.

a) are increasing
b) is increasing
c) have increased
d) increase
Correct Answer: b) is increasing
Explanation:
In GMAT grammar, the phrase 'The number of' always takes a singular verb, whereas 'A number of' takes a plural verb.

3. Identify the correct version of the bracketed part: Neither the principal nor the teachers [was aware] of the new policy.

a) was aware
b) were aware
c) has been aware
d) is aware
Correct Answer: b) were aware
Explanation:
When using 'neither...nor', the verb must agree with the subject closest to it. Since 'teachers' is plural, the verb must be 'were'.

4. Identify the correct version of the bracketed part: The committee, which has been meeting for three days, [have finally reached] a verdict.

a) have finally reached
b) has finally reached
c) are finally reaching
d) finally reach
Correct Answer: b) has finally reached
Explanation:
In American English and GMAT SC, collective nouns like 'committee' are singular when acting as a unified group, requiring the singular verb 'has'.

5. Identify the correct version of the bracketed part: A number of investors [has withdrawn] their funds from the volatile market.

a) has withdrawn
b) have withdrawn
c) is withdrawing
d) withdraws
Correct Answer: b) have withdrawn
Explanation:
The phrase 'A number of' acts as an indefinite plural quantifier in GMAT grammar and requires a plural verb ('have').

6. Identify the correct version of the bracketed part: Each of the managers [are responsible] for drafting a quarterly report.

a) are responsible
b) were responsible
c) is responsible
d) have responsibility
Correct Answer: c) is responsible
Explanation:
The pronoun 'Each' is always singular. The prepositional phrase 'of the managers' does not change the subject, so the singular verb 'is' is required.

7. Identify the correct version of the bracketed part: The phenomenon of the Northern Lights [are caused] by solar wind.

a) are caused
b) is caused
c) were caused
d) cause
Correct Answer: b) is caused
Explanation:
'Phenomenon' is a singular noun (the plural is 'phenomena'). Therefore, it requires the singular verb 'is caused'.

8. Identify the correct version of the bracketed part: Not only the students but also the professor [were surprised] by the results.

a) were surprised
b) was surprised
c) have been surprised
d) are surprised
Correct Answer: b) was surprised
Explanation:
In the 'not only X but also Y' structure, the verb agrees with the noun closest to it (Y). Since 'professor' is singular, the verb must be 'was'.

9. Identify the correct version of the bracketed part: The CEO, together with his executive team, [are traveling] to Tokyo.

a) are traveling
b) is traveling
c) have traveled
d) travel
Correct Answer: b) is traveling
Explanation:
Phrases set off by commas such as 'together with', 'along with', or 'as well as' do not compound the subject. The singular subject 'CEO' dictates the singular verb 'is'.

10. Identify the correct version of the bracketed part: Mathematics [are considered] one of the most difficult subjects.

a) are considered
b) were considered
c) is considered
d) have been considered
Correct Answer: c) is considered
Explanation:
Nouns ending in '-ics' like mathematics, physics, and economics are singular concepts and require singular verbs.

11. Identify the correct version of the bracketed part: Every student must ensure that [they submit] the assignment on time.

a) they submit
b) he or she submits
c) their submitting
d) them submitting
Correct Answer: b) he or she submits
Explanation:
'Every' makes the subject singular. GMAT grammar requires singular pronouns ('he or she', 'his or her') rather than the plural 'they' for singular antecedents.

12. Identify the correct version of the bracketed part: The company announced that [they] will release a new product next month.

a) they
b) it
c) them
d) their
Correct Answer: b) it
Explanation:
'Company' is a singular collective noun. The proper pronoun to refer to a single corporate entity is 'it', not 'they'.

13. Identify the correct version of the bracketed part: The dog wagged [it's] tail enthusiastically.

a) it's
b) its
c) its'
d) it
Correct Answer: b) its
Explanation:
'Its' without an apostrophe is the possessive pronoun. 'It's' with an apostrophe is a contraction for 'it is' or 'it has'.

14. Identify the correct version of the bracketed part: She is one of the employees who [works] diligently every day.

a) works
b) work
c) is working
d) working
Correct Answer: b) work
Explanation:
In 'one of the [plural noun] who', the pronoun 'who' refers to the plural noun (employees), so the plural verb 'work' is required.

15. Identify the correct version of the bracketed part: Between you and [I], the new proposal is unlikely to succeed.

a) I
b) we
c) me
d) myself
Correct Answer: c) me
Explanation:
'Between' is a preposition, and pronouns following a preposition must be in the objective case. Therefore, 'me' is correct, not 'I'.

16. Identify the correct version of the bracketed part: The manager praised the associate [who] he believed had closed the deal.

a) who
b) whom
c) which
d) whose
Correct Answer: a) who
Explanation:
Even though 'whom' often follows 'praised', the pronoun serves as the subject of the clause 'had closed the deal' ('he believed' is an interjection). Thus, 'who' is the correct subjective pronoun.

17. Identify the correct version of the bracketed part: Anyone who wishes to participate must bring [their] own equipment.

a) their
b) there
c) his or her
d) they're
Correct Answer: c) his or her
Explanation:
'Anyone' is an indefinite singular pronoun. Standard GMAT grammar prefers 'his or her' to the plural 'their' to maintain number agreement.

18. Identify the correct version of the bracketed part: The artwork was created by a painter [whose] style is completely unique.

a) whose
b) who's
c) which
d) whom
Correct Answer: a) whose
Explanation:
'Whose' is the possessive pronoun used to denote ownership. 'Who's' is a contraction of 'who is'.

19. Identify the correct version of the bracketed part: When an employee fails to follow instructions, [you] will face disciplinary action.

a) you
b) he or she
c) they
d) one
Correct Answer: b) he or she
Explanation:
Pronoun shift error. The subject begins in the third person ('an employee'), so the pronoun must also be third person ('he or she'), not second person ('you').

20. Identify the correct version of the bracketed part: The CEO awarded the bonus to the manager and [myself].

a) myself
b) I
c) me
d) mine
Correct Answer: c) me
Explanation:
The pronoun acts as the object of the preposition 'to'. The objective case 'me' is correct. 'Myself' is a reflexive pronoun and cannot be used here.

21. Identify the correct version of the bracketed part: [Walking down the street, the trees] looked beautiful.

a) Walking down the street, the trees
b) As I was walking down the street, the trees
c) The trees, walking down the street,
d) Walking down the street, the beautiful trees
Correct Answer: b) As I was walking down the street, the trees
Explanation:
The original sentence has a dangling modifier. Trees cannot walk. The phrase 'As I was walking' correctly attributes the action to a person.

22. Identify the correct version of the bracketed part: She [almost read the entire] novel in one afternoon.

a) almost read the entire
b) read almost the entire
c) read the almost entire
d) almost read entire
Correct Answer: b) read almost the entire
Explanation:
Misplaced modifier. She didn't 'almost read' it (which implies she barely started). She read 'almost the entire' novel.

23. Identify the correct version of the bracketed part: [Covered in wildflowers, we] admired the beautiful meadow.

a) Covered in wildflowers, we
b) We, covered in wildflowers,
c) We admired the beautiful meadow, covered in wildflowers.
d) Covered in wildflowers, the meadow we
Correct Answer: c) We admired the beautiful meadow, covered in wildflowers.
Explanation:
Dangling modifier. The meadow was covered in wildflowers, not 'we'. The modifier must be placed next to the noun it modifies.

24. Identify the correct version of the bracketed part: To bake a perfect cake, [the oven must be preheated].

a) the oven must be preheated
b) one must preheat the oven
c) preheating the oven is required
d) the oven needs preheating
Correct Answer: b) one must preheat the oven
Explanation:
The infinitive phrase 'To bake a perfect cake' acts as an adverbial modifier. It must modify a logical subject capable of baking a cake, such as 'one' or 'a baker', not 'the oven'.

25. Identify the correct version of the bracketed part: [Exhausted from the marathon, a nap] was desperately needed by John.

a) Exhausted from the marathon, a nap
b) Exhausted from the marathon, John
c) A nap, exhausted from the marathon,
d) John, exhausted from the marathon, a nap
Correct Answer: b) Exhausted from the marathon, John
Explanation:
Dangling modifier. John is the one who was exhausted, not 'a nap'. The noun immediately following the introductory modifier must be the one performing or receiving the modified action.

26. Identify the correct version of the bracketed part: The police officer pulled over the speeding driver [in the unmarked car].

a) in the unmarked car
b) who was in the unmarked car
c) from the unmarked car
d) driving the unmarked car
Correct Answer: d) driving the unmarked car
Explanation:
As originally phrased, it implies the speeding driver was in the unmarked car, which is ambiguous. 'driving the unmarked car' or placing the phrase next to 'officer' resolves the ambiguity depending on intended meaning. If the officer is in the unmarked car, it should be 'The police officer in the unmarked car pulled over...'

27. Identify the correct version of the bracketed part: [Barking loudly, the mailman] ran away from the aggressive dog.

a) Barking loudly, the mailman
b) The mailman, barking loudly,
c) Because the dog was barking loudly, the mailman
d) Barking loudly, the aggressive dog
Correct Answer: c) Because the dog was barking loudly, the mailman
Explanation:
Dangling modifier. The dog was barking, not the mailman. Rewording the dependent clause clearly establishes who is performing the action.

28. Identify the correct version of the bracketed part: [At the age of five, my father] bought me a bicycle.

a) At the age of five, my father
b) When I was five, my father
c) My father, at the age of five,
d) Being five, my father
Correct Answer: b) When I was five, my father
Explanation:
Dangling modifier. The father was not five years old when he bought the bicycle. 'When I was five' corrects the illogical modification.

29. Identify the correct version of the bracketed part: The company bought a new software system for its accounting department [that cost millions of dollars].

a) that cost millions of dollars
b) costing millions of dollars
c) , which cost millions of dollars,
d) which cost millions of dollars
Correct Answer: b) costing millions of dollars
Explanation:
'that cost millions of dollars' incorrectly modifies 'accounting department' due to its placement. 'costing' acts as an adverbial participle modifying the purchase action, or the sentence should be reordered.

30. Identify the correct version of the bracketed part: The CEO only approved the budget [after reading the executive summary].

a) only approved the budget
b) approved only the budget
c) approved the budget only
d) did only approve the budget
Correct Answer: c) approved the budget only
Explanation:
Misplaced modifier. 'Only' should be placed immediately before the word or phrase it modifies ('after reading'). Therefore, 'approved the budget only after reading' is the precise meaning.

31. Identify the correct version of the bracketed part: The new employee was trained in writing reports, analyzing data, and [to manage projects].

a) to manage projects
b) manage projects
c) managing projects
d) project management
Correct Answer: c) managing projects
Explanation:
To maintain parallelism, all items in the series must have the same grammatical form: writing, analyzing, and managing (all gerunds).

32. Identify the correct version of the bracketed part: She is considered both highly intelligent [as well as] incredibly hardworking.

a) as well as
b) and
c) plus
d) along with
Correct Answer: b) and
Explanation:
The correlative conjunction 'both' must be paired with 'and', not 'as well as'.

33. Identify the correct version of the bracketed part: The recipe requires that the chef chop the onions, dice the tomatoes, and [simmering the sauce].

a) simmering the sauce
b) to simmer the sauce
c) simmer the sauce
d) the sauce is simmered
Correct Answer: c) simmer the sauce
Explanation:
Parallel structure requires base verbs following the subjunctive 'that the chef': chop, dice, and simmer.

34. Identify the correct version of the bracketed part: For many people, to understand complex grammar rules is [mastering] a foreign language.

a) mastering
b) to master
c) having mastered
d) mastery of
Correct Answer: b) to master
Explanation:
Parallelism dictates that an infinitive subject ('to understand') must be equated with an infinitive object ('to master').

35. Identify the correct version of the bracketed part: He not only excels in mathematics [but also in physics].

a) but also in physics
b) but in physics as well
c) but also excels in physics
d) but he also excels in physics
Correct Answer: a) but also in physics
Explanation:
The 'not only X but also Y' structure requires parallel elements. 'in mathematics' is a prepositional phrase, so Y must also be a prepositional phrase: 'in physics'.

36. Identify the correct version of the bracketed part: The committee decided either to delay the launch or [canceling] the project entirely.

a) canceling
b) to cancel
c) cancel
d) canceled
Correct Answer: b) to cancel
Explanation:
The correlative conjunctions 'either...or' require parallel structures. 'to delay' is an infinitive, so 'to cancel' is required.

37. Identify the correct version of the bracketed part: The athlete prefers running long distances over [to swim in the pool].

a) to swim in the pool
b) swimming in the pool
c) swim in the pool
d) pool swimming
Correct Answer: b) swimming in the pool
Explanation:
Parallelism requires the two compared activities to be in the same form. 'running' is a gerund, so 'swimming' is required.

38. Identify the correct version of the bracketed part: She neither likes drinking coffee [or] consuming sugary sodas.

a) or
b) nor
c) and
d) but
Correct Answer: b) nor
Explanation:
The correlative conjunction 'neither' must strictly be paired with 'nor' in GMAT grammar.

39. Identify the correct version of the bracketed part: It is much easier to forgive a mistake than [forgetting] a betrayal.

a) forgetting
b) to forget
c) forget
d) forgotten
Correct Answer: b) to forget
Explanation:
Parallelism in comparisons requires identical grammatical structures. 'to forgive' (infinitive) must be paired with 'to forget' (infinitive).

40. Identify the correct version of the bracketed part: The politician's speech was passionate, articulate, and [it persuaded the audience].

a) it persuaded the audience
b) was persuading
c) persuasive
d) persuaded
Correct Answer: c) persuasive
Explanation:
Parallel structure: the series uses adjectives ('passionate', 'articulate'), so the third item must also be an adjective ('persuasive').

41. Identify the correct version of the bracketed part: The climate in southern California is much milder than [New York].

a) New York
b) that of New York
c) those in New York
d) New York's climate
Correct Answer: b) that of New York
Explanation:
Illogical comparison. You cannot compare 'climate' to a city ('New York'). You must compare 'climate' to 'that of New York' (where 'that' stands for climate).

42. Identify the correct version of the bracketed part: Of the three siblings, Sarah is clearly the [taller].

a) taller
b) tallest
c) most tall
d) more taller
Correct Answer: b) tallest
Explanation:
When comparing three or more items, the superlative form ('tallest') must be used, not the comparative form ('taller', used for exactly two).

43. Identify the correct version of the bracketed part: He plays the piano as well as, [if not better than, his instructor].

a) if not better than, his instructor
b) if not better than his instructor
c) if not better, than his instructor
d) if not better than, his instructor's
Correct Answer: a) if not better than, his instructor
Explanation:
The dual comparison 'as well as' and 'better than' is structurally sound. Commas properly offset the interjecting phrase 'if not better than'.

44. Identify the correct version of the bracketed part: Like [a reptile, a mammal's] body temperature fluctuates in extreme conditions.

a) a reptile, a mammal's
b) that of a reptile, a mammal's
c) reptiles, a mammal's
d) a reptile's, a mammal's
Correct Answer: d) a reptile's, a mammal's
Explanation:
Logical comparison. 'a mammal's body temperature' must be compared to 'a reptile's [body temperature]', not the reptile itself.

45. Identify the correct version of the bracketed part: The stadium was empty; [fewer] than fifty people attended the game.

a) fewer
b) less
c) lesser
d) a lower amount of
Correct Answer: a) fewer
Explanation:
The word 'fewer' is used for countable nouns (people), while 'less' is used for uncountable or continuous quantities (water, money).

46. Identify the correct version of the bracketed part: The total revenue of Corporation A is significantly greater than [Corporation B].

a) Corporation B
b) that of Corporation B
c) those of Corporation B
d) Corporation B's revenue
Correct Answer: b) that of Corporation B
Explanation:
Revenue (singular) must be compared to revenue, represented by the singular pronoun 'that of' (that of Corporation B).

47. Identify the correct version of the bracketed part: I have [less] coins in my pocket than you do.

a) less
b) fewer
c) little
d) a lesser amount of
Correct Answer: b) fewer
Explanation:
Coins are countable nouns. Therefore, 'fewer' is the correct comparative adjective in GMAT grammar, not 'less'.

48. Identify the correct version of the bracketed part: Maria runs faster than [any girl] on her track team.

a) any girl
b) any other girl
c) all the girls
d) every girl
Correct Answer: b) any other girl
Explanation:
Since Maria is on the track team, she cannot run faster than 'any girl' (which would include herself). She runs faster than 'any OTHER girl'.

49. Identify the correct version of the bracketed part: Unlike [a conventional airplane, a helicopter] can take off vertically.

a) a conventional airplane, a helicopter
b) conventional airplanes, a helicopter
c) that of a conventional airplane, a helicopter
d) a conventional airplane, a helicopter's ability
Correct Answer: a) a conventional airplane, a helicopter
Explanation:
This is a correct, logical comparison. An airplane is logically compared to a helicopter. Both are single vehicles.

50. Identify the correct version of the bracketed part: The new intern is just as capable [as him].

a) as him
b) like him
c) as he
d) as his
Correct Answer: c) as he
Explanation:
In comparisons using 'as', the pronoun should be in the subjective case because there is an implied verb: 'as capable as he [is]'.

51. Identify the correct version of the bracketed part: I wish I [was] the CEO of this company.

a) was
b) were
c) am
d) have been
Correct Answer: b) were
Explanation:
The sentence expresses a hypothetical or contrary-to-fact situation, requiring the subjunctive mood 'were', regardless of the singular subject 'I'.

52. Identify the correct version of the bracketed part: By the end of this year, the construction crew [will finish] the new bridge.

a) will finish
b) would finish
c) will have finished
d) has finished
Correct Answer: c) will have finished
Explanation:
The phrase 'By the end of this year' indicates an action that will be completed before a specific point in the future, requiring the future perfect tense.

53. Identify the correct version of the bracketed part: The judge demanded that the attorney [apologizes] to the court.

a) apologizes
b) apologize
c) apologized
d) will apologize
Correct Answer: b) apologize
Explanation:
Verbs like demand, require, and suggest are followed by the subjunctive mood, which uses the base form of the verb without 'to' or '-s' ('apologize').

54. Identify the correct version of the bracketed part: If I [had known] about the meeting, I would have attended.

a) had known
b) knew
c) would have known
d) have known
Correct Answer: a) had known
Explanation:
In third conditional sentences (unreal past), the 'if' clause must use the past perfect tense ('had known'), and the main clause uses 'would have' + past participle.

55. Identify the correct version of the bracketed part: She [is working] at the firm since 2015.

a) is working
b) was working
c) has been working
d) works
Correct Answer: c) has been working
Explanation:
The word 'since' indicates an action that started in the past and continues into the present. This requires the present perfect continuous tense.

56. Identify the correct version of the bracketed part: We [had gone] to the grocery store yesterday afternoon.

a) had gone
b) went
c) have gone
d) were going
Correct Answer: b) went
Explanation:
The past perfect ('had gone') is only used to show that one past action happened before another past action. For a single past event ('yesterday'), the simple past ('went') is correct.

57. Identify the correct version of the bracketed part: Ancient scholars correctly deduced that the Earth [revolved] around the Sun.

a) revolved
b) revolves
c) has revolved
d) had revolved
Correct Answer: b) revolves
Explanation:
Universal truths or scientific facts are always expressed in the present tense, even when the main verb of the sentence is in the past tense.

58. Identify the correct version of the bracketed part: They [would have went] to the concert if tickets had been cheaper.

a) would have went
b) would have gone
c) would go
d) had gone
Correct Answer: b) would have gone
Explanation:
The construction 'would have' must be followed by a past participle. The past participle of 'go' is 'gone', not the simple past 'went'.

59. Identify the correct version of the bracketed part: The exhausted worker [lay] his tools on the workbench and went home.

a) lay
b) laid
c) lain
d) lied
Correct Answer: b) laid
Explanation:
The verb 'to lay' (meaning to place an object) is transitive and requires a direct object ('tools'). Its past tense is 'laid'. 'Lay' is the past tense of the intransitive verb 'lie'.

60. Identify the correct version of the bracketed part: The hot air balloon [raised] rapidly into the clear blue sky.

a) raised
b) rose
c) risen
d) arose
Correct Answer: b) rose
Explanation:
'Raise' is a transitive verb requiring an object (e.g., raise your hand). 'Rise' is an intransitive verb (no object). The past tense of rise is 'rose'.

61. Identify the correct version of the bracketed part: The new software is highly capable [to perform] complex calculations.

a) to perform
b) of performing
c) for performing
d) in performing
Correct Answer: b) of performing
Explanation:
In standard English idiom, the adjective 'capable' is always followed by the preposition 'of' and a gerund ('performing').

62. Identify the correct version of the bracketed part: The director is responsible [for ensuring] that the project stays on budget.

a) for ensuring
b) to ensure
c) in ensuring
d) of ensuring
Correct Answer: a) for ensuring
Explanation:
The correct idiom is 'responsible for' followed by a gerund or noun. 'Responsible to' is only used when referring to a person or authority (e.g., responsible to the CEO).

63. Identify the correct version of the bracketed part: The critics consider the indie film [as] a cinematic masterpiece.

a) as
b) to be
c) being
d) Omit 'as' entirely
Correct Answer: d) Omit 'as' entirely
Explanation:
In GMAT SC, the verb 'consider' requires no preposition. The correct structure is 'consider X Y' (consider the film a masterpiece).

64. Identify the correct version of the bracketed part: The actual exam was much different [than] the practice test provided online.

a) than
b) from
c) to
d) as
Correct Answer: b) from
Explanation:
The standard English idiom is 'different from'. 'Different than' is generally considered incorrect on the GMAT.

65. Identify the correct version of the bracketed part: The strict company policy prohibits employees [to use] social media during work hours.

a) to use
b) from using
c) using
d) that they use
Correct Answer: b) from using
Explanation:
The verb 'prohibit' is idiomatically followed by 'from' + gerund. Contrast this with 'forbid', which is followed by an infinitive ('forbids employees to use').

66. Identify the correct version of the bracketed part: Most young children prefer eating sweets [over] eating vegetables.

a) over
b) to
c) instead of
d) more than
Correct Answer: b) to
Explanation:
The standard idiom is 'prefer X to Y'. 'Prefer X over Y' is grammatically incorrect in GMAT English.

67. Identify the correct version of the bracketed part: The vaccine is designed to prevent the virus [to spread].

a) to spread
b) from spreading
c) against spreading
d) spreading
Correct Answer: b) from spreading
Explanation:
The correct idiom is 'prevent [noun] from [gerund]'. Therefore, 'prevent the virus from spreading'.

68. Identify the correct version of the bracketed part: The politician was formally accused [for] embezzling state funds.

a) for
b) with
c) of
d) about
Correct Answer: c) of
Explanation:
The verb 'accused' is idiomatically paired with the preposition 'of'. ('Charged' is paired with 'with').

69. Identify the correct version of the bracketed part: There was a bitter dispute [between] the four heirs to the massive estate.

a) between
b) among
c) within
d) amidst
Correct Answer: b) among
Explanation:
'Between' is strictly used for two distinct entities. For three or more entities, 'among' is the correct preposition.

70. Identify the correct version of the bracketed part: All manufacturing facilities must comply [to] the new environmental regulations.

a) to
b) with
c) by
d) in
Correct Answer: b) with
Explanation:
The verb 'comply' idiomatically takes the preposition 'with'. ('Conform' takes 'to').

71. Identify the correct version of the bracketed part: The [reason] the server crashed was [because] there was a power surge.

a) reason ... because
b) reason ... that
c) cause ... because
d) explanation ... because
Correct Answer: b) reason ... that
Explanation:
Saying 'the reason is because' is redundant on the GMAT. The correct phrasing is 'the reason was that'.

72. Identify the correct version of the bracketed part: After a long trip, they finally [returned back] to their hometown.

a) returned back
b) returned
c) went back again
d) arrived back
Correct Answer: b) returned
Explanation:
'Returned' inherently means 'went back'. Adding 'back' creates a redundancy error.

73. Identify the correct version of the bracketed part: The [end result] of the complex scientific experiment was completely unexpected.

a) end result
b) result
c) final outcome
d) concluding result
Correct Answer: b) result
Explanation:
A 'result' is by definition at the end. 'End result' is redundant and violates GMAT concision rules.

74. Identify the correct version of the bracketed part: She is [currently working on a novel at the present time].

a) currently working on a novel at the present time
b) working on a novel currently at the present time
c) working on a novel
d) currently at the present time working on a novel
Correct Answer: c) working on a novel
Explanation:
'Currently', 'at the present time', and the present continuous tense ('is working') all convey the same meaning. Concision dictates removing redundant modifiers.

75. Identify the correct version of the bracketed part: The [consensus of opinion] among the board members was to approve the merger.

a) consensus of opinion
b) consensus
c) general consensus of opinion
d) collective consensus
Correct Answer: b) consensus
Explanation:
'Consensus' means 'general agreement of opinion'. Adding 'of opinion' or 'general' is redundant.

76. Identify the correct version of the bracketed part: The speaker attempted to summarize the vast historical era [briefly].

a) summarize the vast historical era briefly
b) briefly summarize the vast historical era
c) summarize the vast historical era
d) give a brief summary of the vast historical era
Correct Answer: c) summarize the vast historical era
Explanation:
To 'summarize' means to state briefly. Using the adverb 'briefly' with 'summarize' is a redundancy error.

77. Identify the correct version of the bracketed part: The two competing software companies [collaborated together] on a new operating system.

a) collaborated together
b) collaborated
c) jointly collaborated together
d) worked collaboratively together
Correct Answer: b) collaborated
Explanation:
'Collaborate' means to work together. Adding 'together' is redundant.

78. Identify the correct version of the bracketed part: The [new innovation] in quantum computing changed the tech industry forever.

a) new innovation
b) recent innovation
c) innovation
d) new innovative idea
Correct Answer: c) innovation
Explanation:
An 'innovation' is by definition a new idea, method, or device. Therefore, 'new innovation' is redundant.

79. Identify the correct version of the bracketed part: In [my personal opinion], the company should invest heavily in renewable energy.

a) my personal opinion
b) my opinion
c) the personal opinion of mine
d) my own personal opinion
Correct Answer: b) my opinion
Explanation:
An opinion is inherently personal. Thus, 'personal opinion' is redundant.

80. Identify the correct version of the bracketed part: The event organizers need to [plan ahead] for potential weather disruptions.

a) plan ahead
b) plan in advance
c) plan
d) make advance plans
Correct Answer: c) plan
Explanation:
'Planning' inherently involves thinking about the future or acting in advance. 'Plan ahead' is a classic GMAT redundancy.

81. Identify the correct version of the bracketed part: [Because the bridge was closed, so we had] to take a longer detour.

a) Because the bridge was closed, so we had
b) Because the bridge was closed, we had
c) Since the bridge was closed, so we had
d) The bridge being closed, so we had
Correct Answer: b) Because the bridge was closed, we had
Explanation:
Using both 'because' and 'so' creates a redundant double conjunction. Only one is needed to connect the clauses.

82. Identify the correct version of the bracketed part: [Although she was deeply exhausted, but she] managed to finish the marathon.

a) Although she was deeply exhausted, but she
b) Although deeply exhausted, but she
c) Although she was deeply exhausted, she
d) Despite she was deeply exhausted, she
Correct Answer: c) Although she was deeply exhausted, she
Explanation:
Similar to the 'because/so' error, 'although' and 'but' cannot be used together to join the same clauses.

83. Identify the correct version of the bracketed part: The antique book, [which cover is completely torn], contains rare manuscripts.

a) which cover is completely torn
b) whose cover is completely torn
c) of which the cover is completely torn
d) that cover is completely torn
Correct Answer: b) whose cover is completely torn
Explanation:
The relative pronoun 'whose' can be used to show possession for both living and non-living things (unlike 'who', which is only for people).

84. Identify the correct version of the bracketed part: [Due to the fact that] the flight was delayed, he missed his connecting train.

a) Due to the fact that
b) Because
c) Owing to the fact that
d) On account of the fact that
Correct Answer: b) Because
Explanation:
The phrase 'due to the fact that' is wordy and overly complex. GMAT strongly prefers the concise and direct 'Because'.

85. Identify the correct version of the bracketed part: He is the elusive author [whom] I believe will win the Nobel Prize.

a) whom
b) who
c) which
d) whose
Correct Answer: b) who
Explanation:
The pronoun acts as the subject of the clause 'will win the Nobel Prize' ('I believe' is an interjection). The subjective form 'who' is required.

86. Identify the correct version of the bracketed part: Paris is the historic city [where we first met at].

a) where we first met at
b) where we first met
c) in which we first met at
d) where at we first met
Correct Answer: b) where we first met
Explanation:
The relative adverb 'where' already contains the meaning of 'at which'. Adding 'at' to the end of the clause is redundant and ungrammatical.

87. Identify the correct version of the bracketed part: The primary reason [why he resigned is because] he wanted to spend time with family.

a) why he resigned is because
b) that he resigned is because
c) he resigned is that
d) for his resigning is because
Correct Answer: c) he resigned is that
Explanation:
'Reason why' and 'reason is because' are heavily redundant. The correct phrasing is 'The reason [subject] [verb] is that...'.

88. Identify the correct version of the bracketed part: The detective does not know [as] the suspect is telling the truth.

a) as
b) if
c) whether
d) that
Correct Answer: c) whether
Explanation:
When expressing doubt or a choice between alternatives (true or not true), 'whether' must be used instead of 'if' or 'as' in formal GMAT writing.

89. Identify the correct version of the bracketed part: The manager asked [if] the new shipment had arrived.

a) if
b) whether
c) as to whether
d) that
Correct Answer: b) whether
Explanation:
On the GMAT, 'if' is strictly used for conditional statements ('If A happens, B happens'). 'Whether' is used for presenting alternatives or indirect yes/no questions.

90. Identify the correct version of the bracketed part: We will proceed with the outdoor event [providing that] it does not rain.

a) providing that
b) provided that
c) providing
d) on the provision that
Correct Answer: b) provided that
Explanation:
The correct formal idiom for 'on the condition that' is 'provided that', not the present participle 'providing that'.

91. Identify the correct version of the bracketed part: Not only [he finished] the intricate sculpture, but he also sold it for a fortune.

a) he finished
b) did he finish
c) he did finish
d) finished he
Correct Answer: b) did he finish
Explanation:
When a sentence begins with a negative adverbial phrase like 'Not only', the subject and auxiliary verb must be inverted (did he finish).

92. Identify the correct version of the bracketed part: The rare species of orchids [which grow] in the Amazon [is] facing extinction.

a) which grow ... is
b) that grow ... are
c) which grows ... is
d) that grows ... is
Correct Answer: b) that grow ... are
Explanation:
'Species' can be singular or plural, but the context 'rare species' (plural sense, orchids) dictates a plural verb 'are'. Furthermore, essential modifiers require 'that' instead of 'which'.

93. Identify the correct version of the bracketed part: Compared [with] last year's dismal revenue, the current quarter is highly profitable.

a) with
b) to
c) against
d) Omit preposition
Correct Answer: b) to
Explanation:
On the GMAT, 'compare to' is used to highlight similarities, while 'compare with' is used to highlight differences. Here, contrasting revenues requires 'compared to'.

94. Identify the correct version of the bracketed part: The ideal candidate must be analytical, highly motivated, and [a proven leader].

a) a proven leader
b) have proven leadership
c) possess leadership
d) capable of leading
Correct Answer: d) capable of leading
Explanation:
Parallelism dictates that the list uses all adjectives. 'Analytical' and 'motivated' are adjectives; 'capable' is an adjective, whereas 'a proven leader' is a noun.

95. Identify the correct version of the bracketed part: The city council approved the budget increase, [which means] the public park renovations can begin.

a) which means
b) meaning that
c) a decision that means
d) and this means
Correct Answer: c) a decision that means
Explanation:
In formal GMAT grammar, the pronoun 'which' must refer to a specific preceding noun, not to an entire preceding clause (the act of approving). Using an appositive phrase ('a decision that') fixes the reference error.

96. Identify the correct version of the bracketed part: Despite [of the terrible blizzard], the delivery trucks arrived on schedule.

a) of the terrible blizzard
b) the terrible blizzard
c) of the blizzard being terrible
d) the blizzard was terrible
Correct Answer: b) the terrible blizzard
Explanation:
The preposition 'despite' is never followed by 'of'. It is either 'despite the blizzard' or 'in spite of the blizzard'.

97. Identify the correct version of the bracketed part: In the company's annual report, [it states] that profits have soared by 20%.

a) it states
b) they state
c) the report states
d) stating
Correct Answer: c) the report states
Explanation:
Pronoun ambiguity. 'It' lacks a logical referent and creates a passive, wordy structure. Making 'the report' the explicit subject is clearer and more concise.

98. Identify the correct version of the bracketed part: [Lacking] adequate capital, the ambitious construction project was swiftly abandoned by the developers.

a) Lacking
b) Because it lacked
c) Because of lacking
d) Due to lacking
Correct Answer: b) Because it lacked
Explanation:
Dangling modifier. The 'project' did not lack capital (people or companies lack capital). Changing the phrase to a dependent clause ('Because it lacked') resolves the illogical modification.

99. Identify the correct version of the bracketed part: The acclaimed artist is not only a masterful painter but also [sculpts beautifully].

a) sculpts beautifully
b) a beautiful sculptor
c) beautifully sculpts
d) is a beautiful sculptor
Correct Answer: b) a beautiful sculptor
Explanation:
Parallelism with 'not only... but also'. 'a masterful painter' is a noun phrase, so the corresponding element must also be a noun phrase ('a beautiful sculptor').

100. Identify the correct version of the bracketed part: Investors are understandably reluctant [about] funding unproven technological startups.

a) about
b) to
c) in
d) for
Correct Answer: b) to
Explanation:
The idiom 'reluctant' is correctly followed by an infinitive verb phrase, hence 'reluctant to fund' is correct, not 'reluctant about funding'.
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