聽下面5段對話，每段對話后有一個問題，從題中所給的A、B、C三個選項中選出最佳選項。
每段對話僅讀一遍。
聽第1段對話，回答第1小題。
1. How much do four shirts cost?
A. $ 40.
B. $ 19.
C. $ 38.
聽第2段對話，回答第2小題。
2. Where is Tom?
A. In the classroom.
B. On the playground.
C. To buy a book.
聽第3段對話，回答第3小題。
3. What do you think the man is?
A. A guide.
B. A driver.
C. A policeman.
聽第4段對話，回答第4小題。
4. Why didn't the man buy some bread?
A. The man forgot to buy it.
B. The woman forgot to tell him to buy it.
C. The woman didn't tell him to buy it.
聽第5段對話，回答第5小題。
5. What does the woman think of the book?
A. She doesn't like it at all.
B. She enjoys reading it.
C. She won't waste time reading it.
