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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:948

—Mum, must I stay there the whole day?
—No, you        . you         come back after lunch, if you like.

A.mustn’t; can B.needn’t; must
C.needn’t; may D.mustn’t need
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—Mum,mustIstaytherethewholeday