This learning aid will help you to acquire the Russian grammar through included exercises.
Russian Grammar in 348 Exercises is addressed to pupils, students, self-learners, also to all who want to perfect their Russian.
The answers to the exercises can be downloaded from here:
https://drive.google.com/file/d/1S7TPQOdjN9EA4metV4rsWkCJ7VUHTGpz/view?usp=sharing