Jill_______be in the office now. She has gone to the reading room.
A.can’t B.mustn’t C.needn’t D.shouldn’t
A: May I leave now?
B: No, you ________. You ________stay here.
A.needn’t; has to B.must; have to C.can’t; must D.needn’t; must
It is 11:00 p.m now. Peter hasn't come back yet. His mother ______ be very mad at him.
A.may B.can C.must D.need
A good friend is someone you________ share your pleasure and pain with.
A.can’t B.need C.can D.must
A: Must I finish reading the book today?
B: No. You ________ if you have something else to do.
A.mustn’t B.couldn’t C.can’t D.don’t have to
A: Must we put up a sign by the riverside?
B:________. It’s very dangerous here.
A.Yes, you must B.No, you mustn’t C.Yes, you can D.No, you needn’t
