通读全文，根据短文内容的理解，选择正确答案填空。

My name 1 Bill. I'm 2 English boy. I'm twelve. I'm a middle school student. Li Lei is my 3. We're in the same class. Here is a photo 4 his family. Look, this is his 5. He is a policeman. His 6 is a teacher of English. She is a good teacher. Bill has 7 sisters. 8 are twins(双胞胎). Their 9 are Fangfang and Yuanyuan. We are good 10, too.