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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1050

When _______ to explain what it was that he did _______his students so fascinated with his lessons, the teacher paused and thought deeply.

A.asked,make B.asking, to make
C.asked, to make D.asking.making
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Whentoexplainwhatitwasthathedi