根据句意和首字母完成单词，使句子完整正确。

1. We often have an English p_____________ on weekends.

2. When do they have a speech c_____________?

3. He is our m______ teacher. He sings very well.

4. I am twelve. Today is my t______ birthday.

5. —Do you know his date of b_____________? 

    —It's March 21st,too.

6. —What's your a_____________? 

    —I'm fifteen years old.

7. —Do they have an Art F_____________? 

    —No, they don't.

8. The eleventh month of the year is N__________.

9. We'll have a school t_____________ to Mountain Huang next month.

10. What's the d_____________ today? It's December 16th.

下列根据实验操作和实验现象所得出的结论正确的是             （    ）