Mr. Yorkwell was blind when he was seven. He had seen many doctors but none of them could do 1 for him. He could never see the world 2 . Now he has a seeing-eye dog. A seeing-eye dog can help a blind man 3 along the streets. He is called a seeing-eye dog 4 he is the eye of a blind man. One day, the bus was full of people 5 Mr. Yorkwell 6 the bus with his seeing-eye dog. There were no seats for Mr. Yorkwell at all. He stood 7 so many people before a few bus-stops passed. Then , one man got up and 8 his seat and got off the bus. The dog took little 9 there. The dog began to push the people on each side with his 10 . He pushed and pushed until the people around moved away and there was enough place for 11 people. Mr. Yorkwell sat down and the dog got up on the seat 12 Mr. Yorkwell’s. He lay down and put his head on the blind man’s 13 . Soon he fell asleep. People around were not 14 with him and all 15 at this.