Great changes over the yearsA. took placeB. was taken placeC. have taken placeD. happened

发布时间：2020-08-21 14:52:22

Great changes     over the years．
A. took place
B. was taken place
C. have taken place
D. happened

网友回答

A. took place
B. was taken place
(答案→)C. have taken place
D. happened
解析：考查时态。句子中有over the years，故用现在完成时。而take place没有被动语态，故选C。
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