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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 920

Henry works as a teacher now, but he ______ on a farm for three years.

A.has worked B.had worked C.worked D.had been working
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Henryworksasateachernow,butheo