1 . You________ worry about money. I’ll support you if you need.

A．dare

B．dare not

C．must

D．mustn’t

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