B)下面你将听到五组对话，每组对话都有一个问题。根据对话内容，从每组所给的A、B、C三个选项中找出能回答所提问题的最佳选项。
6. A. It’s wet. B. It’s worn out. C. It’s dirty.
7. A. To do his homework. B. To turn off the tap. C. To turn off the light.
8. A. 68. B. 71. C. 17.
9. A. A book. B. A website. C. A school.
10. A. Give their parents. B. Give their teacher. C. Give the poor students.
