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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1207

____ the days he had spent with his American friends, he couldn’t help_____.

A.Keeping up; smile B.Staying up; smiling
C.Looking back on; smiling D.Looking at; to smile
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thedayshehadspentwithhisAmeric