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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1187

.It is well known that water is not _____ endless resource,nor _____ that can be made once more.

A.the, / B.an, one C.an . that D./, one
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.Itiswellknownthatwaterisnoten