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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1633

With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.

A.running out B.to use up C.run out of D.using up
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Withallthefoodsupply,theresear