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:模拟题 难易度:较难

    Without facts, we can’t form a correct opinion, for we need to have actual knowledge ________ our thinking.

    A. which to be based on B. on which to base C. which to base on D. on which to be based 
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