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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 419

Half the world's population __________ water shortages within 15 years according to the World Bank, just one of many recent alarming reports on the world's fresh water supply.

A.are suffering
B.have been suffered
C.will suffer
D.were suffered
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Halftheworldspopulationwatersh