问题补充:
I’m not sure when he. When he , I’ll tell you.
A. comes; will come
B. will come; will come
C. comes; comes
D. will come; comes
答案:
A. comes; will come
B. will come; will come
C. comes; comes
(答案→)D. will come; comes
解析:此题重点考察when引导的时间状语从句和宾语从句的时态问题。前者根据语境可选用所需的任何时态;后者一般要用一般现在时。