1. (2021高二下·赣县开学考) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式.

Are you facing a situation that looking impossible to fix?

In 1969, the pollution is terrible along the Cuyahoga River near Cleveland, Ohio. It (be) unimaginable that it could be ever be cleaned up. The rive was so polluted that it  (actual) caught fire and burned. Now year late, this rive is one of most outstanding examples of environmental cleanup.

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

Maybe you are facing an impossible situation. Maybe you have a habit  is 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 are(amaze) stories of instant transformation, for most of us the (change) are gradual and require a lot of effort and work, like cleaning up a polluted river. Just be(patience)