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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1499

His teacher is the only one ______ he can turn when he is in trouble.

A.in whom B.to whom C.for whom D.from whom
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Histeacheristheonlyonehecantur