The Used and Rental copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.
The Workbook section offers abundant mechanical practice as well as communicative activities and a separate answer key is available so students can track their own progress. The Lab Manual section is keyed to the Audio CD Program, with abundant listening comprehension activities, and pronunciation practice.