-May we leave the classroom now?
-No, you _______. You _______ to leave until the bell rings.
| A．can't; are allowed | B．mustn't; aren't allowed |
| C．needn't; are allowed | D．needn't; aren't allowed |
-May we leave the classroom now?
-No, you _______. You _______ to leave until the bell rings.
| A．can't; are allowed | B．mustn't; aren't allowed |
| C．needn't; are allowed | D．needn't; aren't allowed |
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