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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
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Quantities of water ________for cooling in the only one of the factories that ________steel.

A.has been needed;produces B.have been needed;produce
C.is needed;produce D.are needed;produces
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Quantitiesofwaterforcoolingint