1 . ---I don’t really like Tom. Why did you invite him?
---Don’t worry. He _____ come. He said he wasn’t certain what his plans were.

A．must not	B．need not
C．might not	D．would not

2 . —I want to know if I__________ smoke here.
—No, you _________.Could you see the sign “NO SMOKING” there?

A．can; needn’t

B．must; can’t

C．shall; won’t

D．may; mustn’t