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:较难

    The police had to employ force ______________ the crowd got out of control.

    A. the instant  B. at the instant C. in an instant  D. for an instant
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