( )1. We _______ play football on the street. It’s too dangerous.
A. can’t B. can C. mustn’t D. must
( )2. —Must I do my homework now?
—No, you _______. You can go to play with your friends for a while.
A. needn’t B. mustn’t C. can’t D. may not
( )3. The old man needs our help, _______ ?
A. does he B. needn’t he
C. doesn’t he D. need he
( )4. —Jim, can your father speak English?
—No, he _______ .
A. can’t B. mustn’t
C. needn’t D. may not