Question

—Do you know when your friend ___? --I’m not sure. I will tell you when he _____? A．does co

—Do you know when your friend ___? --I’m not sure. I will tell you when he _____? A．does come; will come B．comes; comes C．will come; comes D．will come, will come

Answer 1

C

试题分析：句意：你知道你的朋友什么时候会来吗？我不确定，他来的时候我会告诉你。问什么时候来，说明还没来，故问句用将来时；when引导的时间状语符合“主将从现”原则，故选C。