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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 2023

Who ______ the fight against the H1N1 flu ______ it not been for the Chinese scientists’ great efforts?

A.could have won; had B.would win; had C.would have won; has D.could win; has
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WhothefightagainsttheH1N1fluit