1 . —Celia looks so upset. She ________ the driving test.
—It is the second time that she has failed in the test.

A．can’t pass

B．can’t have passed

C．mustn’t pass

D．mustn’t have passed

2 . —I saw Lily in the teacher’s office just now.
—You _________ her, she has gone back home.

A．must not see

B．mustn’t have seen

C．can’t have seen

D．couldn’t see

3 . —John's gift? He ______a better one for me.
—He must be very happy to know it.

A．should have chosen	B．may have chosen
C．couldn't have chosen	D．needn't have chosen

4 . We________ have watched that thriller in the cinema, because we may have horrible dreams at night.

A．needn’t

B．shouldn’t

C．mustn’t

D．couldn’t

5 . I appreciate your kindness very much, but you________ have bought such an expensive present.

A．needn't

B．mustn't

C．wouldn't

D．couldn't

6 . –Do you know where David is? He is not in the office.
–Well, he ______ have gone far—his coat is still here.

A．shouldn’t

B．mustn’t

C．can’t

D．wouldn’t

7 . ---Here you are. This is the hotel!
--- It's so close to the station. We ____ the taxi at all!

A．might not have taken	B．couldn’t have taken
C．needn't have taken	D．mustn't have taken

8 . Mary_______ my letter, otherwise she would have gone to the concert.

A．couldn’t have received	B．ought to have received
C．has received	D．shouldn’t have received

9 . Your mother________have fallen asleep.You were making so much noise so late in the yard then！

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

10 . George _________ too far. His coffee is still warm.

A．must have gone	B．might have gone
C．can’t have gone	D．needn’t have gone