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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 514

______ of his time ______ been spent on studies every day.

A.Four-fifths; has B.Four-fifths; have
C.Four-five; has D.Fourths-five; have
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