1 . The students answered all the questions correctly. She ______ full preparations.

A．must make

B．should make

C．must have made

D．should have made

2 . —Why didn’t you come to Mike’s birthday party yesterday ?
—Well, I________, but I forgot it.

A．should

B．must

C．should have

D．must have

3 . There was no one else in the classroom, so he ______ it by himself.

A．should have done

B．need have done

C．must have done

D．could have done

4 . —You look so tired. You__________late last night.
—Yes, I had to finish an important report last night so I didn't sleep at all.

A．could sleep	B．should have slept
C．may sleep	D．must have slept

5 . --Did they visit the famous university?
--No. They _______ it, but they spent too much time shopping.

A．must have visited

B．could have visited

C．can’t have visited

D．shouldn’t have visited

6 . Someone_________my umbrella.I found it wet.

A．should have used

B．can't have used

C．must have used

D．could have used

7 . 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

8 . His father _________ him for his rudeness, for Tom looked happy.

A．could have forgiven	B．might have forgiven
C．must forgive	D．must have forgiven

9 . Where is my pen？I ____it.

A．might lose	B．would have lost
C．should have lost	D．must have lost

10 . Her companion_____   a trick on her, for she was not in the mood for everything that day.

A．can’t have played	B．must have played
C．should have played	D．needn’t have played