EnglishCentral 為 Power on 這套書,配上了影片.
請看下列網址:
Power On 1
http://www.englishcentral.com/courses/preview/1739
Power On 2
http://www.englishcentral.com/courses/preview/1740
Power On 3
http://www.englishcentral.com/courses/preview/1741
Power On 4
http://www.englishcentral.com/courses/preview/1743
Title:
Power On bundled with EnglishCentral Videos.
Category:
English books bundled with Online Videos.
