题干

-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

上一题 下一题 0.0难度 选择题 更新时间:2018-08-10 03:08:52

答案(点此获取答案解析)

D