中科新闻网疯狂小糖第三季动画片:完型填空
来源：百度文库 编辑：中科新闻网 时间：2024/05/14 05:41:55
Now water pollution has become a serious problem to us. It makes our rivers and lakes brown and dirty. Fishes died, fruit and rice and vegetables are also p____. This does harm to people's h____. In many c____ more and more people buy cleaned water to d____. Small buses go here and there to s____ cleaned water to people's homes.
敬请赐教。
敬请赐教。
polluted health countries drink supply