Tom is a very old man. After dinner, he likes walking in the street. And be goes to bed at seven o'clock.
But this evening, a car stops at his house. A policeman helps him get out. He tells Tom's wife(妻子), "The old man can't find his way in the street. He asks me to take him in the car."
After the policeman leaves, his wife asks, "Tom, you go to the street every night, but today you can't find the way. Why? ”
The old man smiles like a child and says, "I can't find my way? I don't want to walk home because I'm too tired."
