听材料,回答问题。 |
1. Who left his watch on the girl's desk just now? |
A. Li Ping. B. Zhang Qian. C. Li Ping's sister. |
2. Who did Li Ping go to clean the street with? |
A. All his classmates. B. Five boys and two girls. C. His group. |
3. How many times has Li Ping cleaned the street? |
A. Once. B. Twice. C. Never. |