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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1436

Three years has passed ever since _____.

A.he has joined the army B.he joined the army
C.he has been in the army D.he has been a soldier
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相关知识点

Threeyearshaspassedeversince.A