The workbook by Verbitskaya is another staple with available solutions online.
ГДЗ по английскому языку за 6 класс gotovye zadaniia po vork buk angliiskii iazyk 6klass
If you use the Afanasyeva and Mikheeva series, you can find complete answers for both the standard and advanced tracks on Gdz.ru. The workbook by Verbitskaya is another staple with
Most Russian schools use a few specific curricula. You can find digital keys for almost all of them on platforms like Gdz.ru or Skysmart . gotovye zadaniia po vork buk angliiskii iazyk 6klass