To complete on page 135 (Part 1) of the Russian language textbook by Churakova , you need to work with the concept of cases and noun endings , specifically focusing on the Genitive case (родительный падеж) for feminine nouns ending in -а/-я . Step-by-Step Guide

For feminine nouns (1st declension), the ending in the Genitive singular is usually or -и .

: Pay attention to "жи-ши" rules (e.g., лужи , тиши ), which often appear in these exercises to test if you remember to use и after sibilants. Marking : Remember to use a pencil to box the endings (e.g., иmodified и with boxed outline ыmodified ы with boxed outline

Use the "clue" word to check. If you say "нет земл и ", the ending is -и .

Example: "Нет (чего?) речк", "около (чего?) берёз ы ". Apply the rule :