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Public Health

by Gmat09_5ALL » Wed Sep 30, 2009 9:37 pm
6.17
Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.
A. Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve
B. Concerns about public health have led to the construction of three separate sewer systems between 1876 and 1904 to serve
C. Concerns about public health have led between 1876 and 1904 to the construction of three separate sewer systems for serving
D. There were concerns about public health leading to the construction between 1876 and 1904 of three separate sewer systems serving
E. There were concerns leading between 1876 and 1904 to the construction of three separate sewer systems for serving
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by sunnyjohn » Wed Sep 30, 2009 10:44 pm
IMO : A

talking about something happened in between 1876 and 1904 ---> simple past

only A is using Simple PAST.
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by piyushdabomb » Wed Sep 30, 2009 10:53 pm
Why can't it be "B"?

B. Concerns about public health have led to the construction of three separate sewer systems between 1876 and 1904 to serve

Subject is concerns (which is plural).
Verb is "have" (which is also plural).

B also sounds natural to me as well. I would normally put the prepositional phrase before the connecting phrase.
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by ichadaram » Wed Sep 30, 2009 11:02 pm
Present Perfect: Used with "has" or "have" the present perfect tense describes an action that occurred at an indefinite time in the past or that began in the past and continues into the present


This would be one reason to avoid B.

IMO: A
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by fightthegmat » Fri Oct 02, 2009 1:54 pm
IMO: B

construction of three sewer systems is correct
construction between....is incorrect


The sentence should have been : construction,between 1876 and 1904,of three sewer systems

what's the OA
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by riteshbindal » Fri Oct 02, 2009 10:42 pm
IMO A. What's the OA?
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by Gmat09_5ALL » Sun Oct 04, 2009 10:21 am
Thanks !! OA is A
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