问题

The light in his room is still on. Do you know _______— Maybe at midnight again.

A:what’s he doing
B:why he stays up so late
C:if he is busy studying
D:when he will stop working;

正确答案是：

同类题型

The written record of our conversation doesn’t ________what was actually said There are a lot of mistakes

We felt ______ when Li Na won the second prize in the Australian Open Championship.

We missed our train, and ________ the next train was delayed, ________ we had to wait for another two hours.

You must have missed the first train yesterday, ________ you?

In the office I never seem to have time until after 5: 30 pm,_____ many people have gone home.[ ]