5、Do you know the story about the fox and the grapes? A fox is ___21___ food. He is very hungry. Now, he stands near a wall. The wall is very ___22___.The fox is looking up. He sees a lot of fine grapes ___23___ the wall. He smiles and says, "How nice they are! I want to eat them."The fox jumps and jumps, but the wall is too high. He ___24___ get the grapes.The fox says, "I must go now. I don't like those grapes. They are green. They are not ___25___ to eat.