英语演讲比赛:Save resources, better tomorrow
2020-09-26
Respectedteachers,myfellowstudents.Todaymytopicissaveresources,bettertomorrow.Asweallknow,thepollutionproblemmaybeoneofthegreatestproblemsintheworld.Pleaselookoutofthewindows!Youmayeasilyfind:Wehavemo...