Interchange - Intro - Workbook - 05Ed/17

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 Level 1 Student S Book Includes 16 Units, Eight Progress Checks, And A Grammar Plus Section To Ensure That Students Receive All Of The Practice They Need. Inside Each Book Is A Single-Use Code For Online Self-Study Material. This Gives Access To Videos And Hundreds Of Automatically Graded Exercises, And Works On Pcs And Macs.