1. Where does this conversation most probably take place?

A. In a hospital.  

B. In a department store.

C. At a railway station.

2. What are the man and the woman?

A. They are students.  

B. They are a student and a teacher.

C. They are a student and a librarian.

3. Why is the woman worried?

A. Because she has to pay the telephone bill.  

B. Because the telephone bill is more than usual.

C. Because her husband doesn't want to pay the bill.