Interchange English Course by Cambridge 5th Editions. Author: Jack C. Richards, Jonathan Hull, Susan Proctor, 2017 (MP3, PDF, CD-EXE, FLV).
Teach with confidence, using the world’s favorite English course.
Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This edition has been developed with insights from thousands of experienced teachers. The series delivers a communicative approach, flexible unit structure and easy to use digital support, giving teachers the tools they need, and empowering students to achieve their goals. Teachers choose Interchange because it works.