根据提示完成对话，注意添加适当助词。
Tony: Hi, Dad!
Dad: Hi, Tony. What (1)_________ (you／do)?
Tony: We (2)_________ (visit) the Forbidden City. Lingling and Betty (3)_________ (write) postcards.
Dad: What (4)_________ (Damming／do)?
Tony: He (5)_________ (take) photos. There are lots of people here. They (6)_________ (enjoy) the sun.
Some (7)_________ (look) at the buildings and some (8)_________ (listen) to the guide.
Dad: (9)_________ (you／have) a good time?
Tony: Yes, we (10)_________ (have) a great time, Dad! See you later.
