单项选择题
Questions 19 to 21 are based on the conversation you have just heard.
A. He has just reconditioned his house. B. His old car has just been repaired. C. He has just come back from abroad. D. He doesn’t have long enough time.
A. A little girl. B. A little boy. C. A secretary. D. A dog.
A. Living environments for pet dogs have improved. B. Small companies tend to adopt dog-friendly policy. C. More businesses welcome pets in the workplace. D. Employees show a growing interest in raising pets.