Great changes _______in the past two years.A.have taken place B.have been taken placeC.have happened D.have been happened

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Great changes _______in the past two years.A.have taken place B.have been taken placeC.have happened D.have been happened

Great changes _______in the past two years.A.have taken place B.have been taken placeC.have happened D.have been happened
Great changes _______in the past two years.
A.have taken place B.have been taken place
C.have happened D.have been happened

Great changes _______in the past two years.A.have taken place B.have been taken placeC.have happened D.have been happened
选A.
take place 和 happen 都是表示发生的意思,此处用主动,排除B和D; happen为短暂性动词,不能用于完成时.

A
take place (发生)不能用于被动语态
in the past two years:现在完成时时间标志(have/has+动词过去分词)
天天进步!

应该选A。take place是不及物的,所以, 不用被动语态。in the past two years,用现在完成时。这时,一般不用happen。

A

A taken place 发生,无被动 和进行 change 在此可数名词