A:Someone is absent.?
B:Li Yuhang isn't here.
A:?
B:He is at home .He Can't go to school this week.
A:?
B:He hurt his leg when he was doing sports.
A:When did it happen?
B:This morning. We sent him to the hospital. The doctor asked him to have a good rest.
A:You did a good job.I hope he will be better soon.Pay more attention while playing sports next time.
B:
A:Now,let's begin our class.