[原版教材]English_pronunciation_in_Use 初级、中级、高级-PDF原版书籍+CD音频
03. Cambridge-english-pronunciation. in. Use(Advanced) [with Audio CD] (2007)
02. Cambridge-english-Pronunciation in Use(Intermediate)with Audio CD(2003)
01. Cambridge-english-pronunciation in_Use(Elementary)with Audio CD(2007)