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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 175

The project alongside with the experiment we had once devoted so much time__________ perfectly.

A.to work out B.to working out
C.to worked out D.has worked out
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Theprojectalongsidewiththeexpe