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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 928

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

A.mustn’t, are allowed B.can’t, aren’t supposed
C.don’t have to, are supposed D.needn’t, aren’t allowed
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Mayweleavetheclassroomnow?No,y