18.Although they plant trees in this area every year,the top

18.Although they plant trees in this area every year,the top Although they plant trees in this area every year,the top of although they plant trees in this area every year,the tops o ___ they plant trees in this area every year,the tops of som They plant some trees in the park every year.（用next year改写句子 They plant a lot trees in our hometown every year的同意句 They plant 10 trees every year.改成被动句 every year we plant -------- trees We plant trees every year.The number of ______ in our hometo the farmers plant trees on the farn every year The students plant two hundreds trees every year.改错 how i wish they wouldn't cut down the trees in this area