https://online2.tingclass.net/lesson/shi0529/0009/9254/86.mp3
https://image.tingclass.net/statics/js/2012
A:Can you tell me the time? I've got an appointment at 8 :30.
A:几点了?我8点半有约会。
B:It's 8 sharp by my watch.
B:我的表正好8点。
A:Gee! There's only thirty minutes to go.
A:呀,只剩30分钟了。