Lao Yang is an old farmer who has worked hard all his life.He has three sons.But they are the （ lazy） boys in the world.Lao Yang works in his grape fields all day.When he needs help in the field, his sons will make up e .They never work.Therefore, Lao Yang is always worried them.
Before Lao Yang dies, he wants to teach his three sons how to be good farmers.So he calls them to him and says, "My boys, before I die I want you to know that there is a huge treasure hidden s in my land.Promise me that you will c out the land to find it when I am dead."The sons promise （ serious）.Their father dies and they begin looking for the treasure."We will soon be very rich!"They all cheers with e .
Soon, they have d up every inch（寸） of the land, only to find nothing.However, to their amazement, grapes begin to grow and then their fields are f with ripe（成熟的） grapes.Their grapes are the largest and sweetest.They sell the grapes in the market and make a lot of money.
Now they understand what their father has （mean） by the great treasure.Hard work pay s off.The three sons continue to work hard.
