(textbook) to reinforce grammar and vocabulary through practical exercises. Klett World Languages Lesson Layout
A very specific topic!
The most straightforward method. The official teacher’s manual (ISBN: 978-3-12-676113-2 for Das Neue Deutschmobil 2 ) contains the complete answer key for the workbook, plus photocopiable tests and teaching notes. You can buy it from: Das Neue Deutschmobil 2 Arbeitsbuch Antworten Pdf
For the price of a coffee, a tutor on italki or Preply can check your completed workbook pages and explain your mistakes. This is far more effective than any static PDF. Das Neue Deutschmobil 2 Arbeitsbuch Antworten Pdf