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:月考试卷 难易度:较易

    After he left college, he was employed in an international company and      there ever since .

    A. worked    B. had worked

    C. has worked    D. was working

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