从方框中选出合适的句子完成对话。
A: This is my family photo.
B: _______________________________
A: Nine.
B: _______________________________
A: He’s my father.
B: What’s your father?
A: _______________________________
B: _______________________________
A: Yes, she is. She is a teacher.
B: _______________________________
A: They are my grandpa and grandma.