Упражнение 4: Вставьте there isn't/there aren't.

1. There isn't a cat in the garden. 2. There aren't three posters in the bedroom. 3. There isn't a girl in the playground. 4. There isn't a boy playing football. 5. There aren't apples in the supermarket. 6. There isn't a computer in the classroom. 7. There aren't cows in the farm. 8. There aren't twenty days in a month. 9. There isn't a ruler on the table. 10. There isn't a monkey at the zoo.