单项选择题

There are no lights on and no one answer the doorbell. They () be at home.

A.will not
B.should not
C.cannot
D.must not

<上一题目录下一题>

热门试题

单项选择题

I've decided to () your advice and stop smoking for ever.

A.take
B.receive
C.believe
D.consider

单项选择题

—Are we supposed to take off our shoes before we enter —No, you ().

A.shouldn't
B.needn't
C.mustn't
D.can't

相关试题