Why not make one for yourself instead of buying one? 干吗不自己做一个而非要去买呢? 22. learn of find out about sth e.g. i learned of the accident only yesterday 我是昨天才听说这次事故的。 It was only after his death that she learned of his affair with Betty. 她是在他死后才得知他同 Betty的风流事情的。 23. buy time: de lay on action or decision that seem to be coming too soon e.g. She tried to buy time by doing a lot of talking. 她企图以闲谈而拖延时间 24. It' s never too late to change your mind. e.g. Never too old to learn活到老,学到老 It is never too1 ate to mend.亡羊补牢,为时犹晚。 The third and four periods: doing the exercises The last two periods ListeningWhy not make one for yourself instead of buying one? 干吗不自己做一个而非要去买呢？ 22.learn of: find out about sth. e.g. I learned of the accident only yesterday. 我是昨天才听说这次事故的。 It was only after his death that she learned of his affair with Betty. 她是在他死后才得知他同 Betty 的风流事情的。 23.buy time: delay on action or decision that seem to be coming too soon. e.g. She tried to buy time by doing a lot of talking. 她企图以闲谈而拖延时间。 24. It’s never too late to change your mind. e.g. Never too old to learn.活到老，学到老。 It is never too late to mend.亡羊补牢，为时犹晚。 The third and four periods: Doing the exercises. The last two periods: Listening