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

    One of the meteor (陨石) pieces was found to have crashed into a frozen lake, ______ a six-meter wide hole.(  )
    A. left B. leaving C. to leave D. having left
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