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

    No sooner _____ a paper on his latest research than he was asked to write another for the program.

    A. he had finished  B. he finished C. had he finished  D. he did finished
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