根据语境，用恰当的语言完成对话。

(Jim and Linda are meeting on the way to school)

Jim: Hi, Linda. What's wrong with you?

Linda: Bad luck! I fell down my bike and broke my leg.

Jim:  1  .What did you do about it?

Linda: I couldn't move and did nothing.   2  if you had the accident?

Jim: If I were you, I wouldn't ride a bike. You are too young to ride.

Linda: But I am almost 13 years old.   3  .

Jim: I disagree. You shouldn't be allowed to do that. You are not serious enough.

Linda: Maybe you are right. By the way,   4 ?

Jim: I'm going to the dance club.

Linda: Wow! You have changed!  5  ?

Jim: No, but now I like dancing. I think it's pretty exciting. People sure change, you know.

Linda: Yeah. Maybe I won't ride my bike any more.