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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1800

It is very kind     you to help me with my lessons. It’s hard     me to learn them well without your help.

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