排列句子顺序,使其成为一个完整的小对话(英语）
( ) That's too bad.Exercise is really important.
（ ） Okay.I really need to be fit again.
（1 ）Bobby,what do you do for exercise?
（ ) I know.I'm getting a little fat.I didn't use to be this heavy.
（ ） I used to swim when I was in high school,but now I don't have time any more.
（ ） I go swimming once a week.How about you?
( ) Well,I'm going swimming tonight.Do you want to go with me?