This workbook is content-wise identical to workbook 978-3-14-127421-9. Additionally, it contains interactive exercises accessible using the printed online key. With the interactive exercises, students receive motivating, assessable tasks for guided or self-directed practice, reinforcement, and application of the teaching content. Whether at school or at home, students can practice digitally and receive specialized feedback and advice for each task. Many diverse types of tasks increase motivation and lead to learning success.