1 . ---Did you punish him for losing your digital camera？
---Yes, but I don't think I ______．

A．should do that	B．need to have done so
C．ought have done that	D．should have done so

2 . —Did you punish him for that? —Yes, but I don’t think I________.

A．should have done so

B．need to have done so

C．should do that

D．ought have done that

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 . —Do you think George has passed the driving test?
—No. If so, he ______ his car to our college yesterday.

A．would drive	B．must have driven
C．would have driven	D．had driven

5 . My sister met him in the street yesterday afternoon, so he ______ your lecture.

A．shouldn’t have attended	B．couldn’t have attended
C．mustn’t have attended	D．needn’t have attended

6 . —The terrible accident is under investigation.
—Actually, quicker action _________ those workers trapped in the mine.

A．might have saved

B．must have saved

C．should have saved

D．could have saved

7 . I didn’t meet her at the party yesterday. She____for Shanghai.

A．might leave

B．must leave

C．can have left

D．may have left

8 . You have a big mouth, Tom. You        have told everybody the secret.

A．can’t	B．mustn’t
C．shouldn’t	D．mightn’t

9 . A kind-hearted passenger paid for Tim’s ticket, without which he _____ the last train.

A．couldn’t have caught	B．didn’t catch
C．couldn’t catch	D．hadn’t caught

10 . Little did the teacher imagine that a student good at maths _____ have failed in the exam．

A．might

B．should

C．need

D．would