Jack and I are good friends. Jack is an America(美国的) boy, but I am a Chinese (中国的)girl. He is nine years old, and I am ten. Jack is fat and I am thin(瘦的). Jack has a nice bike. He goes to school on it. I go to school by bike, too.
A. He's Qiqi
B. He's ten.
C. It's seven
D. Yes, she is
E. I'm fine, thank you.