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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1129

Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉).

A.come up with B.look forward to
C.talk about D.give up
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Scientistsaretryingtheirbestto