we plant trees so as to keep the earth from being blown away
we plant trees so as to keep the earth from being blown away
We must learn to keep o______ away from being hurt.
Trees keep the earth from becoming too hot for us to live on
people plant more and more trees to protect the earth
Trees and plants can keep the water from flowing away
The trees can stop water from washing earth away.earth前面不加th
We plant more trees to make our earth more beautiful.to make
We plant more trees to make our earth more beautiful.
we are going to plant trees in the park
We should plant more trees to make the air_____.(clean)
Trees can keep water from r______ away
The trees can stop the flood from ——(wash) the earth away