Mr. Smith looks young, but he is sixty-eight years old. He has some children. One of his sons is a doctor. The other is studying in America. The daughter is working with her father. Now, Mr. Smith works in a factory near here. He thinks Chinese people are friendly and Chinese food is very good. He can speak a little Chinese. So he goes to Chinese classes every day. He says it is hard to learn Chinese. And he must study hard.
【小题1】Mr. Smith is a young man. (