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

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

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

A．couldn’t

B．needn’t

C．shouldn’t

D．mustn’t

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

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

4 . My book, The House of Hales, is missing. Who ___________ have taken it?

A．need	B．must
C．should	D．could

5 . The children________lost in the woods; otherwise, they would have been at the lakeside camp as scheduled.

A．must have got	B．must get
C．should have got	D．should get

6 . There was plenty of time. She ________ .

A．mustn’t have hurried

B．couldn’t have hurried

C．must not hurry

D．needn’t have hurried

7 . They were abroad during the months when we were carrying out the investigation, or they __________to our help.

A．would have come	B．could come
C．have come	D．had come

8 . -Jenny took the 8：00 bus to Guangzhou this morning.
-Really? He＿＿the 9:00 train. It's much more   comfortable and safer to travel by train.

A．could have taken	B．should take
C．must have taken	D．can take