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

题干

—May we leave the classroom now?

—No, you ________. You ________ to leave until the bell rings .

A：mustn't; are allowed

B：needn't; aren't allowed

C：don't have to; are supposed

D：can't; aren't supposed

上一题下一题 0.0难度选择题更新时间:2019-01-22 10:31:39

答案(点此获取答案解析）

D

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is are am

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