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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 561

Within the last year, scientists have come closer than ever          .

A.to deciding which of the questions is right
B.to decide which of the questions is right
C.deciding whether the question is right or not
D.and decided which of the questions is right
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Withinthelastyear,scientistsha