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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:824

It’s very kind__________you to help me with my English.
一Not at a11.I think it is important____________us to help each other.

A.of,of B.for,of C.of,for D.for,for
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It’sverykindyoutohelpmewithmyE