https://online1.tingclass.net/lesson/shi0529/0000/458/291.mp3
https://image.tingclass.net/statics/js/2012
Unit 291(Waiting for a doctor)
Waiting room,nurse, pregnant
Who is the next?
It is your turn.
It's your turn to mop the floor.
It's your turn to but the newspaper.
It's your turn to be punished.
We look after our sick father by turn.
We take turns to look our sick father.