MysisterAlliandIhavebeentryingtogetpeopletostopdropping...
问题详情：MysisterAlliandIhavebeentryingtogetpeopletostopdroppingcigarettebutts(烟蒂)forsevenyears.Oneday,wewerewalkinginourhometownandsawhundredsofcigarettebuttsontheground. 1 Theymadethetownlooksoug...