题目内容

【题目】—Do you know when we ?—I'm not sure.I will tell you about it when the time.
A.leave; is fixed
B.will leave; is fixed
C.leave; will be fixed
D.will leave; will be fixed

【答案】B
【解析】在问句中when引导的为宾语从句，主句为现在时态，，故从句的时态改用什么就用什么，根据答语可知是将要离开故应为一般将来时态。答语中的when引导的为时间状语从句应使用主将从现结构，故选B。

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