问题

There _____ be anybody in the classroom, for the lights are off. — I’ll go and check. [ ]
A: mustn't
B: won't
C: needn't
D: can't
B: won't
C: needn't
D: can't
正确答案是:
同类题型
Could you please help me _________ the mapon the blackboard
David, you clean the blackboard today, ____?— With pleasure. I cleaned it yesterday, though.[ ]
Fruit and vegetables are good for us. We need them __________ healthy.
Peter has been busy these days and seldom ____ to come over to have a chat with me