a commuter rail system

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a commuter rail system

by sogmat » Mon Dec 29, 2008 6:34 pm
Because the population is denser there and the automobile is therefore inefficient as a means of transportation, a commuter rail system serving a given population is usually five times more efficient in a European city than it is in an American city.
A serving a given population is usually five times more efficient in a European city than it is in an American city

B serving a given population will usually be five times more efficient if it is placed in a European city instead of an American city

C will usually be five times more efficient in a European city than one serving a comparable population in an American city

D in a European city will usually be five times more efficient than will a system serving a comparable population in an American city

E that is implemented in a European city will usually be five times more efficient than if it is implemented with a comparable population in an American city


oa d
Source: — Sentence Correction |

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by vivek.kapoor83 » Tue Dec 30, 2008 8:58 am
IMO D'
coz commuter rail system is for european cities, so these 2 should be as near as possible
ABC looks akward
E - out coz by adding 'that' it means that a specific system
So choose D.

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by tanviet » Sun Jan 04, 2009 1:04 am
this question is similar to Q 199 in OG 10, very hard one

b is wrong because there is not "than"

a,c,e,are wrong because "it" refer to the same system and so not logic

"it" is a COREFFERENT, Pls, review this concept in grammar book

very hard one,

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by amitabhprasad » Sun Jan 04, 2009 8:49 am
duongthang wrote:this question is similar to Q 199 in OG 10, very hard one

b is wrong because there is not "than"

a,c,e,are wrong because "it" refer to the same system and so not logic

"it" is a COREFFERENT, Pls, review this concept in grammar book

very hard one,
I don't see use of "it" in "C"

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by tanviet » Mon Jan 05, 2009 12:59 am
C is wrong because there is not "will"

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