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10 Dec 2021, 04:00
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
77% (00:56) correct
23%
(01:17)
wrong
based on 124
sessions
History
Date
Time
Result
Not Attempted Yet
Recent improvements in technology, such as lighting that mimics the pattern and intensity of natural sunlight, have made working night shifts much safer and more productive.
A. have made working night shifts much safer and more productive
B. have made those that work night shifts safer and more productive
C. has made it safer and more productive to work at night
D. has increased the productivity and safety of working at night
E. had made working at night more safer and increased productivity
A. have made working night shifts much safer and more productive
B. have made those that work night shifts safer and more productive
C. has made it safer and more productive to work at night
D. has increased the productivity and safety of working at night
E. had made working at night more safer and increased productivity
19 Dec 2021, 04:00
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Bunuel
OFFICIAL EXPLANATION
Since the subject of the sentence is “recent improvements,” only A and B agree in number and are in the proper tense. B changes the meaning of the sentence and doesn’t make much sense, so A is best.
Answer: A
Abhisharma1808
Joined: 17 Nov 2021
Last visit: 10 Feb 2022
Posts: 5
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Location: India
Schools: Columbia CBS '24 Harvard '24 IMD '22
GMAT 1: 390 Q33 V8
19 Dec 2021, 08:15
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i don't understand why u choose "have" instead of "has"
can anyone explain why they choice plural tense
can anyone explain why they choice plural tense
