问题描述：
我直到亲眼看到了那条河才意识到了保护河流的重要性.
i ____ ____ the ____ _____ _____ the rivers _____ i saw the river with _____ _____ ____.
i ____ ____ the ____ _____ _____ the rivers _____ i saw the river with _____ _____ ____.
问题解答：
我来补答展开全文阅读