听下面一段材料,回答第1-4题。1.Where are these two people?A. In a bookshop. B. In a restaurant. C. In a language center.2.Which course is the man in?A. The third course. B. The fourth course. C. The fifth course.3. How long has the man been at the institute?A. For two years. B. For two weeks. C. For two months.4.What does the man think of the classes?A. They are too large B. They should be much larger. C. They are a bit small.