IInterchange Workbook 1AInterchange Workbook 1Ade Jack C. RichardsMateriasEnglish language, textbooks for foreign speakersEdiciones (1)Interchange Workbook 1A (Interchange Third Edition) (2004)Cambridge University Press · inglés · ISBN 9780521601788Más obras de Jack C. RichardsAApplications of linguistics to language teachingApplications of linguistics to language teachingAAs I was sayingAs I was sayingAAs I Was Saying ... Conversation TacticsAs I Was Saying ... Conversation Tactics