帮我看看这篇英语作文有没有错误

Question

There are some ways on saving our enironment:firstly,we can go to school on foot.It is free and it is a kind of exercise.Secondly,we must turn off the lights of our classroonm when we leave the room.Thirdly,remember to turn off the tap.Forthly,do not use the plastic bag.It is can not be reused.Fifthly,try using both sides of the paper.The last way of savingour environment is sorting garbage into glass,plastic,paper……
It is our duty to make our environment more and more beautiful in the future
初二英语考试的时候写的10分满分，一个错误一分看看能减几分
注：classroom,environment打错了,can not是can't,第三行是it can't be reused

Answer 1

There are some ways on saving our enironment:
1. Go to school on foot.It is free and it is a kind of exercise;
2. Turn off the lights of our classroonm when we leave the room;
3. Remember to turn off the tap;
4. Abandon plastic bag as it takes a long time for them to dissolve;
5. Use double sides of the paper;
6. Recycle the garbage by classifying them into different catogory;
It is our duty to make our environment more and more beautiful in the future

Answer 2

第一行 some ways of
不是用on
别的好像没错

Answer 3

the last way of saving our environment is to sort garbage into ....

Answer 4

way of