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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 824

--- Can 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
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Canweleavetheclassroomnow?No,y