It ____ be the headmaster. He has gone to America.
A: mustn't
B: can't
C: could
D: needn't
A: mustn't
B: can't
C: could
D: needn't
举一反三
- I saw Mr. Wang a moment ago. He _____ to America. A: mustn’t go B: can’t go C: mustn’t have gone D: couldn’t have gone
- It _______ John. He has gone to Beijing. A: must be B: mustn’t be C: can be D: can’t be
- He ______ to the cinema last night, because he will take a very important test tomorrow. A: wouldn"t have gone B: shouldn"t have gone C: mustn"t have gone D: needn"t have gone
- It must be Terry that came. It __________ be Terry. He is now in London. A: mustn't B: can't C: won't D: needn't
- ——May I go now？----No, you ____ . You ____ stay here. A: needn't； has to B: mustn't； have to C: can't； must D: needn't； must