听句子，选择恰当的应答语。（5分）
6. A. The history book. B. On the desk. C. It’s Jeff’s.
7. A. In March. B. It’s very warm. C. In the south of China.
8. A. It’s near our house. B. Eighty hours. C. Its food is great.
9. A. Good idea! B. Sure. C. Not bad.
10. A. On the phone. B. Her pen pal. C. At home
