看有语法错误吗?单词的单复数..等等
Ourschoolislocatingatthefootofahighmountainwithariverpassionby.Therewasusedtobemanygreentreesormanykindsoflovelyflowersinourschoolalltheyearround.Itlookedlikeabeautifulgardenandwasniceplaceforusstudyin.However,somethinghaschangedsinceachemicalfactorywasbuiltnearourschoolayearago.Everydayitproducedlotsofwastewaterandharmfulgases,Theterriblypollutionhasalreadydonegreatharmforourhealthandweallhopewhetherthefactorywillbeclosedassoonaspossible.