https://online2.tingclass.net/lesson/shi0529/0009/9254/50.mp3
https://image.tingclass.net/statics/js/2012
A:l wonder if the dentist could fit me in early tomorrow.
A:我想知道牙医明天早些时候是否能给我看牙?
B:l'm afraid there's nothing available before noon.
B:恐怕中午之前他都没空。
A:How about 12:45?
A:那12点45怎么样?
B:Sorry, but he's busy then too.
B:对不起，那时他还在忙。
