根据对话内容,选用方框中适当的句子补全对话(5’)
A: Maria,    
B: A photo.
A: That’s a nice photo.    
B: Well, that’s my aunt, she is a nurse. And that’s my uncle.
A:                                                                       
B: He is a teacher.                                                             
A:                                                                     
B: That’s Ann.                                                           
A: Your uncle has a happy family.        ‘