Interchange is a four level american english course that has been used by over 50 million students worldwide this level 2 teachers edition features complete teaching instructions optional activities audio scripts language summaries and students book and workbook answer keys. Interchange level 2 teachers edition with complete assessment program jack c richards 45 out of 5 stars 2 paperback 5233 interchange level 1 teachers edition with complete assessment program jack c richards 35 out of 5 stars 2 paperback 5397. 978 1 316 62272 8 interchange level 2 teachers edition with complete assessment program jack c richards with jonathan hull susan proctor excerpt 978 1 316 62272 8 interchange level 2 teachers edition with complete assessment program jack c richards with jonathan hull susan proctor. This level 2 teachers edition features complete teaching instructions optional activities audio scripts language summaries and students book and workbook answer keys the complete assessment program comes on a usb and provides quizzes mid term and final tests in printable pdf and microsoft word formats. Interchange is a four level american english course that has been used by over 50 million students worldwide this level 3 teachers edition features complete teaching instructions optional activities audio scripts language summaries and students book and workbook answer keys