补充对话完成。
A. Who’s this man?
B. Who are they?
C. Is this your mother?
D. How many people are there in your family?
E. He’s a doctor.
A: This is my family photo.
B: [[QOrDeR]]
A: Ten.
B: 【小题2】
A: He’s my uncle
B: What’s your uncle?
A: 【小题3】
B: 【小题4】
A: Yes, she is. She is a teacher.
B: 【小题5】
A: Are they your grandpa and grandma?
B: Yes. You are right.