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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 566

Through years of hard work, Mrs. Smith, who ____ as a secretary for five years, is general manager of the company now.

A.serves B.served C.has served D.had served
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Throughyearsofhardwork,Mrs.Smi