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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1463

He devoted most of his time to his research, believing his hard work would___sooner or later.

A.put off B.take off C.come off D.pay off
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Hedevotedmostofhistimetohisres