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 3A Full Contact
includes the first half of the Student's Book, Workbook, video activity
sheets, and online self-study. It has units 1-8, four 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 the online
self-study material. This gives access to videos and hundreds of
automatically graded exercises, and works on PCs and Macs.