根据下列回答,写出相应的提问。 You: (1) Who's that man? Maria: That's my father. He's a dentist. You: (2) ______________________? Maria: He's 58. You: (3) ____that your mother? Maria: Yes, it is. She's a dentist, too. You: (4) ______________? Maria: That's my sister, Laura. You: (5) _______________? Maria:She's 30. You: (6) _____that your brother? Maria: No, it's Laura's husband. You: (7) _____________________? Maria: Ferdinand. You: (8) ____ those their children? Maria: Yes. That's Ella and Francisco.