TreeAs everybody knows，wood has many uses．It is a kind of very important building material．Wood can be made into desks，chairs，beds and many other things．Fine paper is made of wood，too．Only trees can provide us with enough wood．Trees can also provide us with oxygen and make the air around us fresh．In hot summer trees give us sh...
tomorrow we are going to plant trees. now let me tell you about how to plant a tree. 1 dig a hole large enough for the tree. but the hole should not be too deep 2 knock a long ...
