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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1252

David had prepared carefully for the chemistry exam, as he wanted to be sure of passing it at the first _____.

A.experiment B.intention C.aim D.attempt
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Davidhadpreparedcarefullyforth