七英语上Unit7《How much are these socks?》微课视频

精讲课1https://v.qq.com/txp/iframe/player.html?vid=z0174b2d8pc&width=500&height=375&auto=0

精讲课2https://v.qq.com/txp/iframe/player.html?vid=v0174jacp9b&width=500&height=375&auto=0

精讲课3https://v.qq.com/txp/iframe/player.html?vid=b05237thwrv&width=500&height=375&auto=0

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