Tobemodernmiddleschoolstudentmeanstohavegoodbehaviou. 　　Firstofall,beagoodchildathome.Weshouldhelpourparenttodosomehouseworkbecauseitisourdutytodoso.Doinghouseworkcanhelpusgrowupandbemoreresponsible. 　　Secondly,Tobeagoodstudentatschool.Weshouldtryourbesttostudyhardandbemodest.Weshouldgetonwellwithothersandtrytohelpothers. 　　Thirdly,tobeagoodpersoninthepublic.Weshouldhavegoodmanners.Suchasalwayswaitinginline,Don'tspitinpublicplaces,Givingseattoelderlyortheyoung. 　　Finally,Weshouldprotectourenvironmentandtheanimals.