When and where to build the new factory ____ yet.A.is not decided B.are not decided C.has not decided D.have not decided标准答案是A。请问C项为什么不符合呢?为什么不能用完成时呢?
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c是主动的,显然不行 要改的话是have not been decideda 的decided做定语,主系表就可以了
When and where to build the new factory ____ yet.A.is not decided B.are not decided C.has not decided D.have not decided标准答案是A。请问C项为什么不符合呢?为什么不能用完成时呢?
c是主动的,显然不行 要改的话是have not been decideda 的decided做定语,主系表就可以了