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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1965

—How long have you been in this office?
—Just a few minutes.My cousins ________ here together with me.

A.have walked B.had walked
C.walked D.have been walking
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—Howlonghaveyoubeeninthisoffic