Interchange - Intro B / Student's Book

the long version

Interchange Third edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Intro is the introductory level of the Interchange Third Edition series. The Intro Level Student's Book is designed for beginning students needing a thorough, slow-paced presentation of basic functions, grammar structures, and vocabulary. Intro is based on the principle that low-level learning does not equal low-level thinking. The Student's Book conta