We plant trees around our school every year改为被动语态

we plant trees every we plant trees every we plant trees every we plant trees in May.12th we began to plant trees ________ ourselves We will plant another ten trees this afternoon.We will plant ___ ___ trees this afternoon We can plant trees in spring.对plant trees提问,怎么提? where shall we piant pine trees?we shall plant some We promise that we will plant more trees.(意思相同)We promise ______ _____ more trees. We always _____(plant) many trees on Tree Planting Day. we often plant trees in spring怎么变被动语态 we must plant more trees to ____ our planet greener. We plan to plant trees in one row.怎么翻译 The more trees we plant,the______(good)our environment is. we plant trees ( )March 12th中间填什么介词 改为被动语态：We plant trees every spring. We plant trees every years.转换被动语态 we must plant these trees 改成一般疑问句