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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1596

To their surprise, they found the lecture given by the famous professor easy ______.

A.to be understood B.to understand C.understanding D.understood
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Totheirsurprise,theyfoundthele