2 . — Will you go to the party this evening?
— I’m not sure, but I ______ have dinner with my parents tonight.

A．will

B．should

C．must

D．may

3 . Johnny, you ________ play with the knife, you ________ hurt yourself.

A．won’t; can’t

B．shouldn’t; must

C．mustn’t; may

D．can’t, wouldn’t

4 . China Hengda ________ have won the football match, but I’m not sure because I wasn’t there.

A．could

B．may

C．should

D．must

5 . ---Excuse me. Is this the right way to the Children’s Palace?
---Sorry, I am not sure. But it______be.

A．will	B．might
C．can	D．must

6 . — What are you doing this Saturday?
— I’m not sure, but I       go to the Rolling Stones concert

A．must	B．would
C．should	D．might

7 . 24. —Who______ it be that is knocking at the door?   
—It ______ be father, but I’m not sure.

A．can; must

B．can; may

C．must; can

D．may; must