Greatchanges&nbs

发布时间:2020-07-11 00:38:32

Great changes    in China in the past 20 years.













A.took place












B.were taken place











C.have taken place











D.have been taken place

网友回答

C解析考查时态,take place与happen这两个词没有被动语态,in the past 20 years表明应该用完成时态。故选C
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