问题

The director couldn’t figure out _______ made his assistant spend so much time in doing the survey. [ ]

A: what it was that
B: why it was that
C: how that was
D: what was it

正确答案是：

同类题型

I was tired out, so I stopped the car a short rest.

I am listening _______ music. Don’t touch me.

There are fewer teaching positions left in big cities, ____ at the same time there are shortages of teachers insmall towns[ ]

I think computers are very useful. They can help us get much on the Internet.

Only after my friend came ____.[ ]