Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Class Audio CDs, Level 1 include the Snapshots, Conve
Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro Level Student's Book B includes units 9-16, four progress checks, and a Gramma
Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro level Workbook provides six pages of additional practice for each unit of the
Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro level Workbook B provides six pages of additional practice for each unit in th
