选举填空,将其序号填在横线上。 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. B: They look young.