12.Great changes place in China since 1978 .A.have been taken B.have taken C.has been taken D.took 选哪个,

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12.Great changes place in China since 1978 .A.have been taken B.have taken C.has been taken D.took 选哪个,

12.Great changes place in China since 1978 .A.have been taken B.have taken C.has been taken D.took 选哪个,
12.Great changes place in China since 1978 .
A.have been taken B.have taken C.has been taken D.took 选哪个,

12.Great changes place in China since 1978 .A.have been taken B.have taken C.has been taken D.took 选哪个,
Great changes (B.have taken) place in China since 1978 .
从1978年以来,在中国发生了巨大的变化.
take place,发生.这个词组只有主动语态,不能用被动.所以A和C项都是错的.时间状语是since引导的一段延续性的,要用现在完成时态.D项是过去式,不能选.

B
take place 没有被动语态,排除A C ,SINCE 常与现在完成时连用,再排除D
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B
take place 没有被动语态,排除A C ,SINCE 常与现在完成时连用,再排除D
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祝你寒假快乐,学习进步!如果不明白,请再问;如果对你
有所帮助,请点击本页面中的“选为满意回答”按钮,谢谢!
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选B,take place本身就表示发生什么事,不需要用被动;
用have done是与后面的since从句对应的,表示从XXX时候开始