A：Ah,ah,ah....
B：All right,Bill.Here's your daily exercise schedule. You are to jog before breakfast.
A：Jog?
B：Then ,you are to walk to work.
A：Walk?
B：Thirty minutes in gym at lunch time.
A：Oh no.
B：Use the stairs, never the elevator.
A：Oh ,dear.
B：And three times a week, you can either swim, play racketball ,or hand ball.
A：Oh no.
B：OK,you can stop now.It's time for the dance class.
A：Dance class!I don't know how.
B：You will.
A：Oh...