1【牛津版】小学英语二年级下1~3课同步视频

 Unit1

https://v.qq.com/txp/iframe/player.html?vid=x0374abi570&auto=0&width=500px&height=375px

 Unit2

https://v.qq.com/txp/iframe/player.html?vid=w0374fy39ia&auto=0&width=500px&height=375px

 Unit3

https://v.qq.com/txp/iframe/player.html?vid=t03741kcxjd&auto=0&width=500px&height=375px