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

D

此題重點(diǎn)考查when引導(dǎo)的時(shí)間狀語從句和賓語從句的基本結(jié)構(gòu)和用法。