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:其他 难易度:较难

    With more forests being destroyed, huge quantities of good earth _________ each year.

    A. is washing away B. is being washed away C. are washing away                    D. are being washed away
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