问题 选择题

Great changes have taken place in that factory. It is no longer _________

it was 20 years ago,_____ it was so poorly equipped.

A.what ,when

B.that ,which

C.what ,which

D.which ,that

答案

答案:A

因为it was 20 years ago中缺少表语,所以第一空应该填what引导表语从句。第二空which引导定语从句,which代替前面整句话的意思,故答案A。

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