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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 696

—Catherine. I have cleaned the room for you.
—Thanks. You________it. I could manage it myself.

A.needn't do
B.needn't have done
C.mustn't do
D.shouldn't have done
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—Catherine.Ihavecleanedtheroom