根据对话内容填空，补全对话。
A: Hi, John! There will be a cycling race in our city in the afternoon.
B: 1____ Will you take part in?
A: Of course. Can you go with me?
B: 2____
A: Why?
B: Because my parents will take me to Beijing tomorrow. I must go home to make my things ready.
A: 3____ How I wish you could join us!
B: 4____ But I will join you next time. I hope you have a nice trip.
A: Thank you.
B: When you ride a bike, you must be careful. I wish you 5 ____ and I'm sure you will win.
