It was a peaceful Sunday morning. A butcher (屠夫) heard the doorbell and thought it must be a customer. 1 he was surprised to see that a dog was coming into his shop. The dog had $10 and a 2 in its mouth. The butcher took the note and read it. It said, “10 pork chops (排骨) please.” So the butcher took the 3 and put a bag of chops in the dog’s mouth. Then he quickly closed the shop because he 4 to follow the dog. He found the dog on the street. The dog was waiting for a green light. It looked both ways to see if it was 5 , and then walked 6 the road. The dog went to a bus stop. The dog waited for a bus. When a bus 7 , the dog first walked to the front of the bus to 8 the number and then got on the bus. After a while, the bus stopped and the dog 9 . Then the butcher followed it off. The dog ran up to a house and 10 the bag in front of the front door. It then began to beat its head against the front door. After a little while, a big guy opened the door and starte 11 at the dog. The butcher ran up and shouted at the guy. “What are you doing? This dog is a genius (天才)!” The owner of the dog said: “Genius? No way! I always tell him to take the keys when he goes to the 12 . But he never listens to me.”