3【牛津版】小学英语二年级下7~9课同步视频

 Unit7

https://v.qq.com/txp/iframe/player.html?vid=o0374131v8x&auto=0&width=500px&height=375px

 Unit8

https://v.qq.com/txp/iframe/player.html?vid=a0374yner92&auto=0&width=500px&height=375px

 Unit9

https://v.qq.com/txp/iframe/player.html?vid=y0367igkbow&auto=0&width=500px&height=375px