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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2099

-- You look so tired.
--- Yes. I _____ the house all the morning. But I’m finishing it soon.

A.have cleaned B.have been cleaning
C.have been cleaned D.had been cleaning
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相关知识点

Youlooksotired.Yes.Ithehouseal