单项选择题
Conversation 2 Questions 8 to 10 are based on the following conversation.
A.In front of the library. B.In front of the teaching building. C.In the classroom, D.At the gate of the school.
A.Unacceptable. B.Uninteresting. C.All right. D.Unbelievable.
A.Piano. B.Pipa. C.Erhu. D.Both B and C.