A group of class friends, highly established in their careers, got together to visit their old university professor. Conversation soon 41 into complaints about pressure in work and life.
While the guests were talking, the professor went to the 42 and prepared coffee. Then he 43 with a large pot of coffee and a variety of cups — porcelain (瓷) , plastic, glass, crystal, some 44 looking, some expensive, some delicate (精致) — telling them to 45 themselves to the coffee.
