Look at the picture. It is a picture of planting trees. When you look at the picture, can you think of March every year? March is the month of planting trees in China . Many people plant trees in March every year to keep the earth flow away, to make the hills and mountains green, to make parks more and more beautiful, to make everywhere in our country have fresh air. Have you planted trees? Do you know how to plant a tree? First, choose the place where you will plant a tree. Second, choose a small tree you will plant. Third, dig a hole into the earth. Fourth, put the tree in the hole. Fifth, cover the root of the small tree with soil. Sixth, water the small tree. After doing these, we have finished planting a tree. If you haven't planted a tree, please have a try next year. The people in the picture are planting trees.