I’m not sure when he. When he , I’ll tel

问题选择题

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

答案：D

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。