Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Workbook A, Level 1 has six-page units that follow the same sequence as Student"s Book A, Level 1. The Это и многое другое вы найдете в книге Interchange 1A: Workbook (Jack C. Richards, Jonathan Hull, Susan Proctor)