1 . 昨夜一定下雨了，因为地面是湿的。

2 . —The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
—Oh, dear! She ______ a lot of difficulties!

A．may go through	B．might go through
C．need have gone through	D．must have gone through

4 . Since nobody gave him any help, he must__________(fix) the door on his own. It looks good though. (所给词的适当形式填空)

5 . The lady ________ have done something wrong, because she is looking guilty. (用适当的词填空)

7 . The light in his office is out. He must_____________(leave) for home.

8 . —May I speak to Kate, please?
—Kate? You _____ have dialed the wrong number. We’ve got no Kate here.

A．would

B．might

C．should

D．must

9 . Harry is feeling uncomfortable. He _______ too much at the party last night.

A．could drink	B．should drink
C．would have drunk	D．must have drunk

10 . Mother Teresa _______ great contribution to the world peace, _______ she was awarded the Nobel Price in 1979.

A．might have made, because	B．must have made, for
C．could have make, since	D．should have make, as