https://online2.tingclass.net/lesson/shi0529/0008/8902/15.mp3
https://image.tingclass.net/statics/js/2012
[00:03.13](Unit 1--Unit 7)
[00:06.74]Ⅻ.Listening comprehension
[00:12.64]A.Listen and choose an appropriate response to what you have heard.
[01:54.34]B.Listen and choose an appropriate senence for what you're heard
