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red shift

by geemat » Sat Sep 05, 2009 10:10 am
In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.
(A) to which light from a distant galaxy has been shifted
(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted
(D) of light from a distant galaxy shifting
(E) of the shift of light from a distant galaxy

what's wrong with E???

OA: A
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Re: red shift

by kaulnikhil » Sat Sep 05, 2009 11:09 pm
geemat wrote:In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.
(A) to which light from a distant galaxy has been shifted
(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted
(D) of light from a distant galaxy shifting
(E) of the shift of light from a distant galaxy

what's wrong with E???

OA: A
its a passive contruction ..so the verb form used has to be have been / has been . by the rapid motion of the galaxy away from the Earth, tells us this is a passive contruction .A and C survive . A better extent + infinitive
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