What should we do to protect the environment?, throw the trash in the sea, picking up trash, When we leave our room we have to ?, turn off the lights, turn on the lights, Which one is good for the environment?, cut the trees, plant trees, What is recycling?, a) Throwing things away, b) Using things again, Where should we put plastic bottles?, b) In the recycling bin, a) On the ground

environment

由
列印
嵌入

排行榜

我們目前正在努力改進排行榜功能。請通過提供您的反饋來幫助我們。

提供反饋

視覺風格

選項

我們目前正致力於改善活動設定。請提供您的回饋來協助我們。

提供反饋

切換範本

恢復自動保存: ?