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The ivory-billed woodpecker, once the largest woodpecker in [#permalink]
09 Nov 2012, 10:15
86% (01:32) correct
14% (00:41) wrong based on 39 sessions
The ivory-billed woodpecker, once the largest woodpecker in North America at a striking 20 inches tall, has moved in and out of the extinct category, with scientists consistently unable to find solid proof for the bird to still exist.
(A) for the bird to still exist (B) for the bird as still existing (C) for the bird's continued existence (D) that the bird still exists (E) of the bird and its continued existence
Re: The ivory-billed woodpecker, once the largest woodpecker in [#permalink]
09 Nov 2012, 23:09
A is nonsensical. It seems to convey the meaning that scientists are unable to find solid proof, proof which would enable the bird to exist. Similar to saying something like the social activists were unable to find a reason for the depressed person to live.
D conveys the right meaning. Proof is correctly modified using an essential modifier with a "that" clause. Answer should be D.
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Hi - Have u seen from any GMAT source that proof for is wrong idiom - just to confirm And only proof of and proof that is correct idiom?
when would we get to know where prove of applies or prove that??
Hey Proof OF is used with NOUN ( or noun equivalent such as a noun phrase) because "of" in "proof of" is a preposition so it must be followed by noun! Proof that + clause -> that here is used here as clause introducer, similar to suggest that report that etc (that can be used as a pro-noun as well but that completely different usage)
So in this Q both D and E grammatically correct but there is a meaning issue in E hence we have to go with D