It looks like you’re looking for the teacher’s book for a B1 grammar and vocabulary practice resource, specifically one shared or verified through VK (the social network).
Exercises modeled after standardized test papers, including sentence transformations (key word transformations). Revision Units It looks like you’re looking for the teacher’s
Dedicated exercises on derivatives to help students enrich their academic and everyday vocabulary . Appendices Understand the main points of clear standard input
Conditionals: Types 1, 2, and 3, plus "Wishes" and the Unreal Past . It looks like you’re looking for the teacher’s