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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1580

The man is teaching in our school, but,believe it or not,he __ as a business man for 8 years.

A.worked B.was working C.had worked D.has been working
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Themanisteachinginourschool,bu