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-May we leave the classroom now?

-No, you ______. You ______ to leave until the bell rings.

A. mustn’t, are allowed　　　　　　　　 B. don’t have to, are supposed

C. needn’t, aren’t allowed D. can’t, aren’t supposed

May we leave the classroom now? No, you _____. You_____ to leave until the bell rings.

— May we leave the classroom now?
— No, you _______. You _______ to leave until the bell rings.

---May we leave the classroom now?
---No, you      . You       to leave until the bell rings.

----May we leave the classroom now?
----No, you         . You           to leave until the bell rings.