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 helped him get out. He told 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 left, his wife asked,"Tom, you go to the street every night, but tonight you can’t find the way.