【我的作文,请问有哪些语法错误?（作文题目是Whatcanwedotofightpollution）内容：Whatcanwedotofightpollution?First,wemustputtherubbishintorubbishbins.Sencond,wemustn'tusetoomanyplasticbags.Then,wemustplant】

　　我的作文,请问有哪些语法错误?（作文题目是Whatcanwedotofightpollution）

　　内容：Whatcanwedotofightpollution?First,wemustputtherubbishintorubbishbins.Sencond,wemustn'tusetoomanyplasticbags.Then,wemustplantmoretrees.Wemusttakeabusorrideabikeorwalktoschool.Andwemustcloseallthelightsandfanswhenweleavearoom.Wemustcloseallthewindowswhenweusetheair-conditioner.Let'stryourbesttofightpollution