1 . 听下面一段较长对话，回答以下小题。
1. What is the probable relationship between the speakers?

A．Teacher and student.

B．Brother and sister.

C．Classmates.

2. How often does the boy go to the bookstore?

A．Once a month.

B．Twice a week.

C．Once a week.

2 . Where are the speakers?

A．In a library.

B．In a classroom.

C．In a bookstore.