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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 746

They began to consider what use could ___ the natural resources(资源).

A.be made from B.be made of
C.be made up of D.be made into
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Theybegantoconsiderwhatusecoul