every year we plant -------- trees

every year we plant -------- trees we plant trees every We plant many trees in spring every year （改为被动语态） We plant trees every year.The number of ______ in our hometo We plant trees every year to protect our environment 改成被动语态 ( )7.Every year,we plant ___________ trees.A.five millions o We plant trees around our school every year改为被动语态 They plant 10 trees every year.改成被动句 the farmers plant trees on the farn every year People plant hundreds of trees every year 改为被动语态 The students plant two hundreds trees every year.改错 Every year,we plant___________(five million)trees