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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2097

—Your colleague's spoken English is quite good, Amy.
— No wonder, as she              in the USA for two years.

A.worked B.has been working
C.had worked D.has worked
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—YourcolleaguesspokenEnglishis