题目内容
【题目】Great changes ________ in China since 1976.
A.took place B.were taken place
C.have taken place D.have been taken place
【答案】C
【解析】根据since 1976时间标志词可知句子为现在完成时，由此排除A和B；而take place没有被动式，由此判断选C项。
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题目内容
【题目】Great changes ________ in China since 1976.
A.took place B.were taken place
C.have taken place D.have been taken place
【答案】C
【解析】根据since 1976时间标志词可知句子为现在完成时，由此排除A和B；而take place没有被动式，由此判断选C项。