- 问题详情:Areyoufacingasituationthatlooksimpossibletofix?In1969,thepollutionwasterriblealongtheCuyahogaRiverCleveland,Ohio.It__1____(be)unimaginablethatitcouldeverbecleanedup.Theriverwassopollutedthatit____2____(actual)caughtfireandburned.Now,earslater,t...
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