学校回收所有的纸张和塑料瓶。

The school ___recycles all its paper and plastic bottles.

美国人回收了超过一半的纸质废品。

Americans ___recycle more than half of their paper waste.

帮助环境的方法之一是回收使用过的铝罐。

One way to help the environment is ___to ___recycle used aluminum cans.