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by Shawshank » Thu Jul 30, 2009 3:24 am
GUys I agree there is a problem with "have led" in option "B".

But then the contruction of "A" also has the problem that I have pointed out above..

CAn i get a reasoning for that..
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by tanviet » Fri Jul 31, 2009 5:47 am
why D and E are wrong

"there are..." is grammatical
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Re: SC

by BlindVision » Sat Aug 01, 2009 1:40 am
csandeepreddy wrote: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
Between A & B...

Choice A

have led in "B" rules it out.
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by maihuna » Thu Dec 24, 2009 11:36 am
duongthang wrote:why D and E are wrong

"there are..." is grammatical
Purpose are denoted using infinitive to + base verb cobstruction better than for + Ing construction.
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