1 . My sister met him at the Grand Theatre yesterday afternoon, so he _____ your lecture.

A．can’t have attended

B．needn’t have attended

C．mustn’t have attended

D．shouldn’t have attended

2 . I________ there so early because she didn't come until 10.

A．didn't need to get	B．couldn't have got
C．needn't have got	D．mustn't have got

3 . My sister met him at the Grand Theatre yesterday afternoon, so he________ your lecture.

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

4 . As it turned out to be a small house party, we ________so formally.

A．needn't dress up	B．shouldn't dress up
C．were not necessary to dress up	D．needn't have dressed up

5 . As it turned out to be a small house party, we ________ so formally.

A．needn’t dress up	B．didn’t have to dress up
C．needn’t have dressed up	D．might not have dressed up

6 . You ___________ have watered the flowers, for it is going to rain.（不必）（根据汉语提示填空）

7 . Now, look at our purchase.We _________so much food and drinks now that Emily won't be with us for dinner.

A．needn't have bought	B．might have bought
C．could have bought	D．ought to have bought

8 . —I saw Jim at the meeting yesterday.
—Did you? I think he ______ have attended, for he is an expert.

A．needn’t

B．mustn’t

C．shouldn’t

D．couldn’t

9 . He had known the matter before you told him, so you _________ have told it to him.

A．mustn't

B．can't

C．needn't

D．shouldn't

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

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