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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1685

When I talked with my grandma on the phone, she sounded weak, but by the time we ______ up , her voice had been full of life. 

A.were hanging B.had hung C.hung D.would hang
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WhenItalkedwithmygrandmaonthep