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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1176

______ for a long time, but he managed to catch up with his classmates at last.

A.Having been ill B.Being ill C.He was ill D.Though ill
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foralongtime,buthemanagedtocat