请听下面一段材料,回答第1至3题。 1. What do we know about Mr. Wang? [ ] A. His working place is near his house. B. He is usually very busy with his work. C. He usually comes back before 7 p.m. 2. How does Mr. Wang usually go to work? [ ] A. By subway. B. By bus. C. By car. 3. Why do Mr. and Mrs. Wang want to sell their car? [ ] A. They want to buy a new one. B. They need a large amount of money badly. C. It costs too much and they don't use it often. 4. What is the probable relationship between the speakers? [ ] A. Father and daughter. B. Guest and hostess. C. Mother and son.