— Must I be home before seven？— ___________________.

A.have to

B.must

C. had to

--Must I be home before seven？

--__________________.

A. No, you mustn’t.

B. No, you needn’t.

C. No, you won’t.

D. Yes, you will.

A.do not

B.must not

C.did not

D.Not

--I can't find my wallet.

-- ______ it at home？

A. Must you leave

B. Maybe you leave

C. You might left

D. Might you have left

A.can’t

B.may not

C.must not

D.won't

A.I must be leaving now

B.I want to stop now

C.I have no time to talk

D.I will go home

A.A. I really _____go now， My daughter is home alon

B.B.may

C.C.can

D.D. must

E.E.dare

A、No, you needn’t

B、No, you mustn’t

C、OK

D、no, you won’t

A.must leave now, I have something important to do

B.Im afraid I must go now, it is too late

C.Im afraid I must be leaving now, for I have something important to do

D.I must be leaving now, for I have something important to do