大家来看看我这篇英语文章能得几分。满分20

It's not good for our healthy. health
we should to protect the environment. to删掉
let's to do something to protect our earth.
there are many ways to protect. protect后加it,指代上文提到的earth
for example first, for example后加逗号，first改为firstly
we can walking to school instead of going there by car. walking改为walk
It can reduce the air pollution.
second,wo must not to pollute the water . secondly we to删掉
water is our life 语义不通。加上water is essential to our life
third thirdly
we can plant more trees to reduce the foggy days. 加上 in order to reduce
please protect our earth! now! earth后叹号去掉 now改为 from now on

另外注意每句话开头字母要大写。你整篇文章都是中式表达，请不要惊讶并拘泥于你的分数。