题目内容：

 

                                                                                                     

Tom is an old man of eighty. After dinner, he 1.       _ taking a walk in the street. And he goes to bed at nine o'clock every evening.                                                                                            

But yesterday evening, Tom 2.       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 3.      Tom's wife said, "Tom, you go to the street every evening. You 4.         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 5.             home."