根据句意及首字母提示写单词,完成句子。

1. What c_____ is your pencil case?    

2. Her family n_____ is Miller.    

3. B_____ your teeth every day can make you healthy.    

4. I'm too b_____ . I have no time to play with you.    

5. His mother's mother is his g_____.    

6. I want to write a l_____ to my parents.    

7. Many boys like to play c_____ games.    

8. Please give a d_____ of your father.    

9. Does your sister have a s_____ ball?    

10. Mona has three t_____ rackets.

无极绳绞车牵引绞车应牢固且稳定地安装（）在上。

A.水泥地基

B.底板

C.顶板

D.轨道