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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2102

---How long have you retired ,Grandpa?
---Well, four years. But you know, I_____ for Courtaulds for over forty years.

A.have worked B.worked C.had worked D.work
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Howlonghaveyouretired,Grandpa?