After more than four decades of research and development, a : GMAT Sentence Correction (SC)
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# After more than four decades of research and development, a

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10 Jul 2009, 09:18
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After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help
boost cargoes into space at significantly lower costs than current methods permit.

A. tested that could eventually propel aircraft anywhere in the world within two
hours or help
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping
28
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
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10 Jul 2009, 09:41
This question has been discussed several times before. Search and you can find more explanations.

A. Correct
B. “have the capability” is wordy and unnecessary
C. “or helping” is incorrect.
D. “have the capability” is wordy and unnecessary
E. “have the capability” is wordy and unnecessary
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10 Jul 2009, 10:41
A A A
......... just getting bored guys ..sitting idle..
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10 Jul 2009, 11:24
IMHO C.
A does not have S-V agreement.
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11 Jul 2009, 13:06
IMHO, it's E.

The main reason I think it's not A is because it seems that the 'that' refers to the testing and not the jet engine. Or maybe I'm misreading it?
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13 Jul 2009, 14:43
After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help
boost cargoes into space at significantly lower costs than current methods permit.

A. tested that could eventually propel aircraft anywhere in the world within two
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help (wordy)
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping (if you remove the sentence within the commas, it doesn’t make sense which it should)
28
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping (not parallel – propel vs. helping)
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help (wordy)
Re: Aircart Propeller   [#permalink] 13 Jul 2009, 14:43
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