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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 240

—Does John serve in the army?
—No, but he________in the army for 8 years.

A.would serve B.has served C.is serving D.served
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—DoesJohnserveinthearmy?—No,bu