问题 选择题

—— Is Tom still smoking ?

—— No.By next Saturday he _______ for a whole month without smoking a single cigarette.

A.will go

B.will have gone

C.will have been

D.has been going

答案

答案:B

by 后跟将来的时间状语时,主句要用将来完成时。go without 意为“在缺……的情况下对付”。

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