Tom is an old man of eighty. After dinner, he       _ taking a walk in the street. And he goes to bed at nine o'clock every evening.                                                                                            
But yesterday evening, Tom        home by a police car. A policeman helped
Tom get out of the car. The policeman said to Tom's wife, "This old gentleman couldn't find his way in the street. He asked me to take him home in the car.
After the policeman      Tom's wife said, "Tom, you go to the street every evening. You         the habit for twenty years. But this evening you couldn't find the way. What's the matter?"
Tom smiled like a child and said, "I couldn't find my way? I just didn't want              home."