15. Liu Tao is watering flowers in the garden. (对画线部分提问)
14. They are going to see a film tomorrow. (对画线部分提问)
13. I know his telephone number. (改为一般疑问句)
12. Su Yang is asking Ben some questions. (对画线部分提问)
11. Do you like spring? (加上winter 改为选择疑问句)
10. It’s cold in winter there. (对画线部分提问)
9. I get to the shopping centre by bus. (对画线部分提问)
8. Don’t go along this street. (改为肯定句)
7. Are they American cars? (改为单数)
6. How can I get to the shopping centre? (改为同义句)