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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 767

When I first arrived ________San Francisco,I had a difficult time ________certain aspects of the American way of doing things.

A.at;to understand B.in;to understand
C.in;understanding D.at;understanding
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WhenIfirstarrivedSanFrancisco,