情景交际。(10分) 用句子补全对话。 A: Hi, John! There will be a cycling race in our city in the afternoon. B: That’s great! 16 A: Of course. But I’d like to buy a new bicycle. Can you go with me? B: 17 My parents will take me to Beijing tomorrow. I must go home to prepare my things. A: 18 How I wish you could come and cheer me on! B: Don’t worry. I think I will join you next time. When you ride a bike, you must be careful. 19 A: Thank you. I’m sure I will win. And I hope you 20 B: Thanks. Bye-bye! A: Bye!