—May we leave the classroom now?— No, you ________. You ________ to leave until

题干

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

A．needn’t; aren’t allowed	B．may not; are allowed
C．mustn’t; aren’t allowed	D．can’t; are allowed

上一题下一题 0.4难度单选题更新时间:2018-07-09 09:18:02

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