八上期末英语求评点打分Now,the air is very dirty and gives people many p

八上期末英语求评点打分
Now,the air is very dirty and gives people many problems .For example :the air is harmful for our health So l think we should do that:
No.1 Try to walk to school or take the bus to school Don't use the car to go to schol all the time
No.2 Don't smoking for a long time
No.3 when you leave the house ,Please turn off the lights and TV
lf everyone can do that ,the air will become clean!满分20,检查语法错,并打分（跪求专业滴）
好者悬赏40,姐多的就是悬赏分!