听材料,回答问题。 1. When did the boy lose his schoolbag? [ ] A. While he was playing soccer. B. When he watched a football match. C. When he bought a football. 2. How long has he had the schoolbag? [ ] A. About 15 days. B. Half a week. C. 30 days. 3. What's NOT in the schoolbag? [ ] A. Some pictures. B. A pencil-box. C. An MP3.