题目内容：

根据对话内容， 填写所缺单词，每空一词。（5分）

A: Hi, John! There will   1.  a cycling race in our city in the afternoon.

B: That’s great. Will you take part in?

A: Of   2. Can you go with me?

B: Sorry. I am afraid I can’t.

A: Why?

B: Because my parents will take me to Beijing tomorrow. I must go home to prepare my things.

A: It’s a great  3. . How I wish you could join us!

B: I  4.   so. But I will join you next time. I hope you have a nice trip.

A: Thank you.

B: When you ride a bike, you 5. be careful . I wish you good luck and I’m sure you will win.