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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 340

When I was in the USA,I had difficulty ______ English, so I often ask Paul ____ help.

A.to understand, with B.understanding, for
C.to understand, for D.understanding, with
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WhenIwasintheUSA,Ihaddifficult