You can download the full PDF of the combined Enjoy English 5-6 Workbook directly from educational host nzdr.ru.

You can view or download the Enjoy English 5 New Edition workbook, which includes sections for testing yourself.

Contains exercises for individual practice. Student's Book (Учебник): The main text for lessons.

Teachers often share compiled UMK materials, including zip files of workbooks for multiple grades, on Infourok . Components of the 5-6 Grade Set

Supplementary stories and reading comprehension tasks.

You can find and download the workbook for grades 5-6 by M.Z. Biboletova (Enjoy English) through several educational repositories and community archives. Depending on the specific edition you need (older combined 5-6 grade or newer separate editions), here are the most reliable sources: