5-Singular, Plural: ПРОБЛЕМЫ С…By Oxana Ermolaeva / January 20, 2021 Back to: Private: Russian Grammar Exercises Instrumental Case in Russian: Nouns Ex. 1. Какие у него проблемы? Ex. 2. С чем у него проблемы? С кем он говорит? Ex. 3. Choose the correct option. Ex. 4. Fill in the missing endings (Nom. – Prepos. – Instr.) Ex. 5. Fill in the missing endings. Ex. 6. Fill in the missing endings. Previous Lesson 5-Singular: ВСТРЕЧАТЬСЯ С… Next Lesson 6-Singular (Regular)