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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1890

She is a well--known doctor now , but she _____ as a cleaner at the hospital for five years .

A.has worked B.worked C.had worked D.works
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Sheisawellknowndoctornow,butsh