听下面一段材料,回答第1-3题。 1. What does the woman say about the science book? A. It's of little value. B. It's in bad condition. C. It's an old edition. 2. How much will the woman pay the man? A. $30. B. $23. C. $21. 3. Why is the woman unwilling to buy more textbooks? A. She isn't sure what textbooks will be used. B. She hasn't enough money to buy more. C. She doesn't like books marked with notes. |