In our company,great changes____since the new manager came.
A.took place B.take place C.will have taken place D.have taken place选什么,为什么
人气：254 ℃ 时间：2020-02-03 19:06:10
解答
D.have taken place
since要和现在完成时连用It....since... 句型中常用一般现在时代替现在完成时（例外）It is (has been) two years since he came here.
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