Most people print the PDF. That is a mistake. Use a PDF editor (like Foxit or even Edge browser) to fill in the blanks directly on your tablet or laptop. No messy eraser shavings. No "I lost my answer key."
It provides systematic practice for vocabulary and grammar introduced in each lesson. Methodical Approach: menschen+a22+arbeitsbuch+pdf
: Digital copies are often hosted on educational platforms like Scribd and Academia.edu for online reading. Most people print the PDF