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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1799

He asked several questions_______ the professor who gave us a lecture_______the balance of nature.

A.with; for B.from; of C.to; about D.of; on
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Heaskedseveralquestionstheprof