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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 2115

Wang Pin is an advanced worker in our company. He _______ for four years in Yangzhou University.

A.studied B.has studied C.had studied D.has been studying
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WangPinisanadvancedworkerinour