在课堂,学校不能做什么 英语作文初一

What should I do and what I can't do?
As a student,there are many rules we must follow,such as the school rules,the class rules ,and the family rules.What should we do and what we can't do make me confused,for sometimes it is difficult for me to choose which is wrong or right.
With the help of my teachers and my parents,I understand the meaning of being alive.First,I must study hard and try my best to be a helpful person.Second,I should be honest,respect our parents and other people.Third,since I am not an adult,so I must avoid smoking and drinking,we know they are bad for our health.
Above all,I understand what I should do and what Ican't do.