根据对话内容与上下文，在空白处填入适当的句子，使对话意思完整。
A: What are you going to do next weekend?
B: I have no idea. ___________________________________________________? (1)
A: I don't know. Do you want to do something with me?
B: Sure. ___________________________________________________________? (2)
A: How about going fishing on Saturday?
B: That sounds good. ________________________________________________? (3)
A: Let's meet at my house. My father has a boat. He can take us to the lake.
B: _______________________________________________________________? (4)
A: Let's leave at 5:30 in the morning. Fishing is good at that time.
B: So early? _______________________________________________________? (5)
A: Well, no problem. What about 6:00?
B: OK. I'll get to your house at 5:50. See you tomorrow.
A: See you tomorrow.