精选优质文档-倾情为你奉上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 p