You __________ go into that room. It's forbidden!
A: don't have to
B: mustn't
C: might not
A: don't have to
B: mustn't
C: might not
举一反三
- I did not meet you at last night's party. You ______ to it. A: mustn't have gone B: can't have been C: couldn't go D: mustn't go
- You have to go to work on Sundays often, (). A: doesn't he B: don't you C: mustn't you D: haven't you
- ________the room! A: Don’t you go in to B: Don’t go into C: Not go into D: Not go in
- If you don’t want to, you ______ to get there with us. A: mustn’t B: can’t C: don’t have D: have not
- It's Sunday today. You ______ school. A: didn't need to go to B: needn't have gone to C: mustn't go to D: couldn't go to