Tell me whos house it is. 告诉我这是谁的家。
Let me know which train you will be arriving on. 告诉我你将乘哪列火车到达。
D．where, when, how, why
连接副词where, when, how, why等在从句中既是连接词，又作状语。
I don't know where we are going to have the meeting.我不知道我们将在哪儿开会。
She always thinks of how shecan work well. 她总是在想怎样能把工作做好。
What I am anxious to know is when we can visit the museum. 我急于知道我们什么时候能参观博物馆。
比较：
when引导的时间状语从句和名词性从句中的不同时态。
