I teach German II and German III at Quincy Senior High in Quincy, Illinois.  I still have links to German I  activities. We use the Komm mit! series by Holt, Rinehart and Winston. Here is a link to their practice activities.

Practices and Assignments

Textbook Activities All levels
German I Quia Activities
German II Quia Activities	German II Assignments	Glenbrook German II PowerPoints
German III Quia Activities	German III Assignments	Glenbrook German III PowerPoints