Teacher: What do you get from sheep?
Boy: Wool
Teacher: And what do we make from wool
Boy: I don't know.
Teacher: Well,what is your coat made of?
Boy: My coat was made from father's old coat.
教师:你从羊的身上可以取得什么?
男孩:羊毛
教师:而我们可以用羊毛做成什么?
男孩:不知道
教师:嗯,那你的那件外套用什么做成的?
男孩:我的外套是用爸爸那件旧的外套做成的。 ·石零·