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