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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 287

The calculations, had they been done by hand, ______all practical value by the time they were finished.

A.had lost B.would lose C.should have lost D.would have lost
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Thecalculations,hadtheybeendon