题目内容：

一篇英语作文 “We have only one home --Eath”
下面是作文提示/
What are the environmental problems nowadays
What cause these environmental problems?
How to save Earth?
What can we do now?

优质解答

Don't you see the heavy smokes from the big chimneys?Don't you smell the gas from the motors all around the streets?We've got much dirtier air!The iceburgs are melting from the warmer winter because o...