Teach with confidence, using the world\'s favorite English course.
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Inside each book is a single-use code for the Online Self-Study material.
It has 16 units, eight progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need.
This Level 1 Full Contact includes the Student\'s Book, Workbook, video activity sheets, and Online self-study.
Interchange is a four-level, American English course that has been used by over 50 million students worldwide.
Teach with confidence, using the world\'s favorite English course