https://online2.tingclass.net/lesson/shi0529/0009/9666/27.mp3
https://image.tingclass.net/statics/js/2012
I’m sorry to have kept you waiting.
不好意思让您久等了。
That’s OK.
没关系。
Mr. John is tied up (忙)at the moment.
John先生现在很忙。
When shall I try him again?
我什么时候可以再打过来?
Could you call back in 30 minutes?
你可以过30分钟后再打过来吗?
Yes, I well.
好的。
