Tom is a very old man. After dinner, he likes walking in the street. And he goes to bed at seven o’clock. But tonight, a car stopped at his house. A policeman helps him get out. He tells Tom’s wife, “The old man couldn’t find his way in the street. He asked me to take him in the car.” After the policeman leaves there, his wife asks, “Tom, you go to the street every night. But tonight you can’t find the way, what’s the matter?” 警察走后：“汤姆，你每天都到那条街上散步，但是今天你迷路了，你怎么了？” The old man smiles like a chi...