The Green Line 2 Workbook with Audio CD is a comprehensive learning material specifically designed for English language instruction. It offers a variety of engaging exercises that cover all relevant learning areas and help learners effectively deepen their language skills. The clear structure of the workbook allows for easy navigation, especially through the cross-references between the textbook and the workbook. A special feature is the tandem exercises, which aim to strengthen the communication skills of the learners. Additionally, the workbook includes a detachable grammar section to facilitate targeted practice. The accompanying audio CD provides listening texts that are used in both the textbook and the workbook, thereby supporting learners' listening comprehension and pronunciation.