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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 274

Henry works in the library now, but he ____ on a farm for three years.
A. worked        B has worked        C. had worked       D. had been working

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Henryworksinthelibrarynow,buth