recycle.recycling.recycled 怎么用?如何造句?

问题描述:

recycle.recycling.recycled 怎么用?如何造句?

词义不变,但词性不同,功能不同.
We should recycle waste paper.
We are recycling waste paper now.
Recycling waste paper means protecting trees.
Yesterday we recycled two tons of waster paper.
Waste paper should be recycled.