Question

【题目】I don't know when he . When he ,please tell me.

A. Comes; comes B. comes: will come

C. will come, comes D. will come; will come

Answer 1

【答案】C

【解析】

句意：我不知道他何时来。当他来的时候，请告诉我。第一空when引导的宾语从句，表示何时将要来，故用will come。第二空when引导的时间状语从句，用一般现在时表示一般将来时，故为comes。故选C。