Interchange DVD, Intro level contains 16 video segments for in-class viewing. A video for each unit reinforces and extends the unit´s topic and language and gives additional listening and speaking practice.
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
-5%
