May we leave the classroom now?No, you_______________. You_______________ to leave until the bell rings.
A: mustn't ; the bell rings.
B: don't have to; are supposed
C: needn;t aren't allowed
D: can't ; aren't supposed
A: mustn't ; the bell rings.
B: don't have to; are supposed
C: needn;t aren't allowed
D: can't ; aren't supposed
举一反三
- — May we leave the classroom now — No, you ______. You ______ to leave until the bell rings. A: needn’t ; are allowed B: don’t have to; are supposed C: mustn’t ; aren’t allowed D: can’t ; aren’t supposed
- You____help me if you don't have time. I can do the job myself. A: aren't able to B: don't have to C: aren't going to D: mustn't
- You __________ help me if you don't have time. I can do the job myself. A: aren't able to B: don't have to C: mustn't
- You ______ a tip if you're not satisfied with the service. A: mustn't leave B: must leave C: can leave D: don't have to leave
- ——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