语法填空(短文填空或阅读填空)1.(2014全国卷,新课标 I)英语知识运用第二节(共10小题;每小题1.5分,满分15分) 阅读下面材料,在空白处填入适当的内容(不多个于3单词)或括号内单词的正确形式。 Are you facing a situation that looks impossible to fix?In 1969, the pollution was terrible along the Cuyahoga River near Cleveland, Ohio. It 61(be)unimaginable that it could ever be cleaned up. The river was so polluted that it 62 (actual) caught fire and burned. Now, years later, this river is one of 63 most outstanding examples of environmental cleanup.But the river wasnt c