You can download or read the complete textbook, which includes the grammar exercises and texts, at these sites:
The textbook (Английский язык для ссузов) by I.P. Agabekyan is a standard educational resource for secondary vocational education.
Английский язык для ссузов - Сызранский колледж искусств и You can download or read the complete textbook,
: Educational communities on VK.com often share photos of handwritten or typed keys for Agabekyan's exercises.
: Offers a direct link to the 2015 edition of the textbook. You can download or read the complete textbook,
Since a complete official answer key is rare, students typically use these methods:
: Provides a PDF version (approx. 47 MB) for online viewing or download. You can download or read the complete textbook,
: General school solution sites like GDZ.ru may have partial coverage for 10th-11th grade vocational English.