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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:808

--There will be _____air pollution if there are_____ people driving.
--I hope the air will be fresher soon.

A.less,less B.less,fewer C.fewer,fewer D.fewer,less
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Therewillbeairpollutionifthere