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We won’t start the work until all the pr...

We won’t start the work until all the preparations __________.

A.are being made B.will be made

C.have been made D.had been made

 

C 【解析】 考查动词时态辨析。句意:我们得等到所有的准备工作都做好了才能开始工作。are being是现在进行时的被动形式;will be made是一般将来时的被动形式;have been made是现在完成时的被动形式,用于强调动作产生的影响;had been made是过去完成时的被动形式 。本题是主将从现的用法。主句是将来时时,从句用现在时或相当于现在的时态;现在完成时强调过去对现在的影响或动作从过去一直持续到现在。故选C。
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