参考答案：[范文]
Mr. Smith is a manager. One day, he took a taxi to go to work. When he got out of the taxi; he left his bag in the taxi carelessly. The taxi-driver happened to see it. "Where is the owner now " he said to himself. Then he decided to look for the man. He found the owner at D:0E at last. Mr. Smith was very excited and thankful to the taxi-driver for what he had done.