Упражнение 1. Fill in the correct article where necessary. Упражнение 2. Fill in the correct preposition where necessary. Упражнение 3. Write the plural forms of the nouns. Упражнение 4. Make the right form. Упражнение 5. Put in the correct tense form. Упражнение 6. Fill in much or many Упражнение 7...