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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1735

Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.

A.which, considered, being B.that, considering, been
C.that, to consider, being D.which, considered, to be
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Anotherdrugthathashelpedimprov