（急~）修改作文~求批阅,有木有语法错误的

题目

（急~）修改作文~求批阅,有木有语法错误的
First of all,we should study hard.As a student,hard-working is our duty.We should join the out-clsaa activities as much as we can,second,we should respect others and learn from each other,if you want to become a student with good manners,politely to teachers are necessary.The last but not the least,we must protect trees and flowers.don't throw the rubbish anywhere.let'go into action.

答案

第二行第三行的那句 it s nessesary for you to be polite to your teachers if you want to become a student with good manners .这样更好 不然句子没有主语 最后一句 想说让我我们行动起来?貌似 应该是let s take an action or let s move it?倾向于第一个