1 . But for his timely help, we ______ our task in such a short time.

A．wouldn’t finish	B．haven’t finished
C．couldn’t have finished	D．can’t have finished

2 . You must have ________(误解) my meaning; I didn’t mean that. （根据汉语提示单词拼写）

3 . -- Catherine, I have cleaned the room for you.
---Thanks. You _______ it. I could manage it myself.

A．needn’t do

B．shouldn’t have done

C．mustn’t do

D．needn’t have done

4 . He 　　　　you more help, even though he was very busy.

A．might have given	B．might give
C．may have given	D．may give

5 . I _____ have watched that movie — it’ll give me horrible dreams.

A．couldn’t

B．needn’t

C．shouldn’t

D．mustn’t

6 . —Where is my dictionary?I remember I put it here yesterday.
—You___it in the wrong place.

A．must put	B．should have put
C．might put	D．might have put

7 . I didn’t hear the phone.   I ___   asleep.

A．must be	B．must have been
C．should be	D．should have been

8 . The weather turned out to be fine yesterday. I ____________ the trouble to carry my umbrella with me.

A．should have taken	B．could have taken
C．needn’t have taken	D．mustn’t have taken

9 . —Did you visit the museum today?
—No. We _____ it, but we spent too much time shopping.

A．could have visited

B．must have visited

C．could visit

D．must visit

10 . It was playing computer games that cost the boy plenty of time that he ______doing his lessons.

A．might have spent	B．must have spent
C．ought to have spent	D．must gain