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:易

    The library needs ________, but it'll have to wait until Sunday.

    A. cleaning
    B. be cleaned
    C. being cleaned
    D. to clean
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