Planting trees can make the soil aovid changing into sand这句话语法有错误吗?和植树可以防止土壤沙化这句话意思相同吗

We can save our earth_____more trees.A.to plant B.by planting C.by plant D.to planting Planting trees can ___ changing into sand.植树可以防止土壤沙化. Planting trees can help to make our e----clearer and more beautiful首字母填空. planting trees can makes our country much greener为什么不用more greener 单说植树是plant trees or planting trees? Planting trees can make the soil aovid changing into sand这句话语法有错误吗?和植树可以防止土壤沙化这句话意思相同吗 Li Lei can't help __the trees,he is busy A.planted B.to plant C.planting D.to be planted by planting more trees ,we can ________ the number of greenhouse gases in the air.A .bring B.bring down C.go up D .go down尽快! they are planting trees now是什么意思kuai谢谢 look some children are planting trees 的意思 the people are planting trees in the garden是什么意思 We always _____(plant) many trees on Tree Planting Day. Mr Black is planting trees and his daughter is helping_____ It is fun to planting trees.哪错了? we an busy___ (种植）trees on tree planting day the students are planting trees over there.whatthe students are planting trees over there.what the students over there? They spent (ten years) planting th trees.就括号内部分提问.（ ）（ ） （ ）they （ ）planting trees David and Mike are going to planting trees this afternoon.划线部分提问划线部分：are going to planting trees