问题

The streets are all wet.It ___ during the night.

A:must be raining
B:must have been rain
C:had to rain
D:must have rained

正确答案是：

同类题型

I have ________money than you, but I have _________friends than you.

下列各句中，没有语病的一句是（）

Who are you e-mailing?— My cousin who ________ to Fudan University the year before last year

It was the belief ______ he would be successful sooner or later _______ made him work hard day and night.

_______ they were not rich, they triedtheir best to send their child to the best school.