根据要求改写句子，每空一词。

1. There are some offices in my school. (改为一般疑问句)

    _____ there _____ offices in your school?

2. He can play basketball and tennis. (改为一般疑问句) 

    _____ he play basketball _____ tennis?

3. There are twenty-three desks in the classroom. (就划线部分提问)

    _____ _____ desks are there in the classroom?

4. Hamburgers are my favourite food. (就划线部分提问)

    _____ _____ favourite food?

5. Are there any dining halls in your school? (用one或it补全句子)

    Yes, there is _____ over there.

6. This is my cat. I like _____ very much? (用one或it补全句子) 

7. Hi,Jack. This is _____ (I) friend. _____ (he) name is Sam. (用所给代词的适当形式填空)

8. Are Tom and Jack there? Can I speak to _____ (they)?(用所给代词的适当形式填空)

9. Beef is healthy food. Ice cream isn't healthy food. (合并句子)

    Beef is healthy food _____ ice cream isn't healthy food.

10. My uncle is 35 years old. He is a hotel manager. (合并句子)

      My uncle is 35 years old _____ he is a hotel manager.