P.S. If you search for it, try the exact phrase "Menschen A2.2 Arbeitsbuch PDF Lösungsschlüssel" to filter out the spam sites. Happy learning!
If you are using a PDF for personal study, it is recommended to print specific grammar sections or exercise pages to practice handwriting, which is often cited as more effective for language acquisition. menschen+a22+arbeitsbuch+pdf
You can access the official Menschen A2.2 Answer Key from Hueber Verlag to check your exercises. P.S. If you search for it