听下面一段对话，回答第11至第13三个小题。

11.Where are the speakers?

A. In a classroom.

B. In a theatre.

C. In an office.

12.Why does the man plan to leave early?

A. He is going on vacation.

B. He is going to a performance.

C. He is going to the post office.

13.What does the woman offer to do?

A. Clean the office.

B. Pick up the man' s son.

C. Finish the man' s work.

听下面一段对话，回答第14至第17四个小题。

14.How does the woman feel at the beginning of the conversation?

A. Angry.

B. Surprised.

C. Sad

15.What size bag does the woman want?

A. A 24-inch bag.

B. A 29-inch bag.

C. A 32-inch bag.

16.When will the woman leave for Mexico?

A. On Thursday.

B. On Friday.

C. On Saturday.

17.Where does the man work?

A. At a mail order company.

B. At an international travel service.

C. At the airport information desk.

听下面一段对话，回答第18至第20三个小题。

18.Why did the woman not go to college?

A. She didn’t pass the exam.

B. She wasn't interested in college.

C. She couldn’t afford college education.

19.What job does the woman say she did?

A. She was a bus conductor.

B. She was a shop assistant.

C. She was a housekeeper.

20.What did the woman think of her friend' s college life?

A. It was busy.

B. It was wonderful.

C. It was dull.