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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1744

Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of power.

A.have made B.having made C.are being made D.will be making
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BecauseoftheRussiangaslimittoE