https://online2.tingclass.net/lesson/shi0529/0008/8602/1bhdsc5.mp3
https://image.tingclass.net/statics/js/2012
[00:00.00] week 5 My birthday
[00:05.49]unit 1 Let's sing
[00:53.03]unit 2 3 Let's play
[00:59.40]Ask your classmates
[01:03.35]When is your birthday?
[01:55.83]unit 3 5 Let's sing
