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:难

    All her time _________ experiments, she has no time for entertainment.

    A. devoted to doing B. devoted to do C. devoting to do D. is devoted to doing 
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