补全对话。A.HowoldisthePalaceMuseum?B.Whendoy
题型：补全对话，情景问答
问题：
| 补全对话。 | |
B: We arrive in Beijing at 4: 00. A: Do you go to Tian'anmen Square? B: 2___________ We see some boys playing games. A: 3___________ B: We go to the Palace Museum. A: 4___________ B: It's about five hundred years. A: OK! Have a good time in Beijing. |