Question

I don't know when______. When he ______,I'll call you.

        A.  will he come; will come         B.  does he come; comes

        C.  he comes; will come        D.  he will come; comes

 

Answer 1

【答案】

D

【解析】此题重点考查when引导的时间状语从句和宾语从句的基本结构和用法。