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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 255

It is very kind ____ you to help me with my lessons. It is hard ____ me to learn them well.

A.of; for B.of; of C.for; of D.for; for
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Itisverykindyoutohelpmewithmyl