Впишите -S там, где это необходимо. Задание 29.

1. ten frogs, six frogs, one frog, three frogs; 2. one apple, eight apples, six apples, four apples; 3. two trees, three trees, nine trees, one tree; 4. five rulers, one ruler, seven rulers, two rulers; 5. one chair, four chairs, two chairs, three chairs; 6. eight books, nine books, one book, three books; 7. four rubbers, three rubbers, two rubbers, one rubber; 8. ten pencils, one pencil, six pencils, seven pencils.