GAO FENG:Will you help me plant this tree,please?
ANN:Of course!What do you want me to do?
GAO FENG:Well,I've dug this hole.Hold this stick while I knock it in.
ANN:OK!Is it straight?
GAO FENG:More or less!
ANN:What's next?
GAO FENG:OK!I've done that.Right!Hold it straight!
I'll fill in the hole with earth.
GAO FENG:Good!That's done.Now the tree must be tied to the stick.
ANN:OK.While you're doing that,I'll go and get some water.
GAO FENG:OK.
ANN:Can we go and have a drink after that?
GAO FENG:A drink?We've just started! There are twenty more trees to be planted