职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:英语知识运用 题类:期末考试 难易度:较难

    By the time Mike retires from the army, his son ________ from college.

    A.graduates B.has graduated C.had graduated D.will have graduated

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