根据题意完成填空。
1. Your schoolbag is in the school               （图书馆）.
2. Ask the teacher for your               （笔记本）.
3. Is your               （棒球）in the classroom?
4. Is this your ID c        ?
5. E          me at lilei@163.com.
6.我必须找到它。
I                               it.
7. That is my schoolbag.(改为一般疑问句)
            that             schoolbag?