One day a poor farmer was taking a bag of wheat to town. Suddenly the bag ___ from his horse onto the road. He did not know ___ to do about it because it was ___ heavy for him to lift the bag by himself. He only hoped that someone would soon pass by and ____ him a hand. Just at this moment a man ___ a horse came up to him. But the farmer’s __sank (下沉) when he saw who he was. It was the great man living ___. The farmer had hoped to ask another farmer or a poor man like him to come along and help him. He couldn’t ask such a great man to help him. But to his ___, the great man got off his horse as soon as he came nearer. He said to the farmer, “I see you ___help, friend. How good it is that I’m here just at the right time.” Then he took one end of the bag and the farmer the other. They together raised it and put it on the horse. “Sir,” asked the farmer，“how can I pay you?” “It’s quite easy.” the great man replied with ___. “Whenever you see anyone else in trouble, do the same for him.”