May I introduce myself to you? My name is David, my Chinese name is XXX, my birthday is May 10, and my teacher's name is XXX.
I am now 12 years old, and I live in China which is China's largest city, and I can speak a little English.
I am the eldest child in my family, and I have 4 brothers and sisters. If you need to call me, my telephone number is 123456789.