While a dedicated "Borisov-only" GDZ site is rare, you can find answers through these platforms:
: To check your knowledge of Borisov’s curriculum, use resources like Videouroki.net which offer paragraph-specific tests (e.g., on the Time of Troubles or the first Romanovs). gdz na voprosy po istorii rossii 10 klass borisov onlain
: A popular repository for high school students where you can look for thematic answers to Russian history questions. While a dedicated "Borisov-only" GDZ site is rare,