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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 612

—How long has Jim been in the factory?
—He has been there for two years             he left school.

A.when B.since
C.as soon as D.while
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—HowlonghasJimbeeninthefactory