The for the "New Millennium English" series by O.L. Groza and O.B. Dvoreckaya is a widely used resource for Russian students studying English from grades 5 through 11.

The Groza/Dvoreckaya GDZ is an It is best used as a "hint" when you are genuinely stuck or as a final check after you have completed your homework independently.

: It is a helpful "safety net" for students who are stuck on complex instructions or unfamiliar vocabulary.