阅读下面材料，用不多于3个单词的正确形式填空
Are you facing a situation that looking impossible to fix?
In 1969, the pollution is terrible along the Cuyahoga River near Cleveland, Ohio. It1(be)imaginable that it could be ever be cleaned up. The rive was so polluted that it2(actual) caught fire and burned. Now year late,this rive is one of3most outstanding examples of environmental cleanup.
But river wasn't changed in a few days4even a few months. It took years of work5(reduce) industrial pollution and clean the water. Finally, that hard work paid off and now the water in the river is6(clean) than ever.
Maybe you are facing an impossible situation. Maybe you have a habit7is driving your family crazy. Possibly you drink too much or don't know how to control your credit card use. When you face such impossible situation, don't you want a quick fix and something to change immediately.
While there are8(amaze) stories of instant transformation, for most of us the9(change) are gradual and require a lot of effort and work, like cleaning up a polluted river. Just be10(patience)