问题 选择题

Look ! The building which _________now will be used as a library.

A.is being built

B.to be built

C.is built

D.being built

答案

答案:A

which _________now是定语从句,根据now,从句谓语要用现在进行时态,且主语which,即The building,和build是动宾关系,所以用现在进行时态的被动语态。选A。

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