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:中档

    The new suspension bridge_______by the end of last month.
    A. has been designed
    B. had been designed
    C. was designed
    D. would be designed
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