Are you facing a situation that looks impossible to fix?

In 1969, the pollution was terrible along the Cuyahoga River Cleveland, Ohio. It 1________£¨be£©unimaginable that it could ever be cleaned up. The river was so polluted that it 2________(actual)caught fire and burned. Now, ears later, this river is one of 3________most outstanding examples of environmental cleanup.

But the river wasn’t changed in a few days 4________even a few months. It took years of work5_________(reduce ) the industrial pollution and clean the water. Finally, that hard work paid off and now the water in the river is 6________(clean) than ever.