排序，读句子，填写序号，使其成为完整的对话。（每小题2分，共10分）
⑴That's a good idea. When are you going?
⑵On October 1st.
⑶In National Day. I'm going to Beijing.
⑷What are you going to do in Beijing?
⑸I'm going to visit the Great Wall with my father.