请从方框中选择合适的词，并用其适当形式填空

Jill is 15 years old. She ____ to join School Trip to help the kids with sports, music and English. She can ____ the guitar well. She can ____ many songs. She can ____, and she can____ English well. She ____ she can ____ good with the kids.

Let them ____ (play) football.

My mother wants me ____ ____(buy) some salt.

根据题意补全句子
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?