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:选择题 题类:期末考试 难易度:中档

    ______ in fridge, these vegetables and fruit will remain fresh.(  )
    A. Keeping B. Having kept C. Kept D. To keep
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