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Qn:55 1000 SC

by confuse mind » Tue Sep 04, 2012 10:21 pm
According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds.

(A) shooting dead chickens at airplanes has proved helpful to demonstrate
(E) that shoots dead chickens at airplanes has proved helpful in demonstrating
[spoiler]
OA - E Please explain why A is wrong. Rest were clear eliminations[/spoiler]
Source: — Sentence Correction |

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by machichi » Tue Sep 04, 2012 11:13 pm
A) helpful to demonstrate is not idiomatic. I can't say for certain that "a cannon shooting dead chickens" is wrong, but it sounds weird.
E) helpful in demonstrating is correct and "that shoots" is more natural.
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