Решение:
Для заполнения пропусков используем 'is', если речь идет об одном предмете, и 'are', если о нескольких.
- There is a ball on the floor.
- There are toys on the floor.
- There is a cat at the wall.
- There is a photo on the wall.
- There are parents on the photo.
- There is a window in the room.
- There are curtains on the window.
- There is a flower pot under the window.
- There is a boy at the wall.
- There is a small car toy at the cat.
- There are five toys on the floor.
Ответ: 1. is, 2. are, 3. is, 4. is, 5. are, 6. is, 7. are, 8. is, 9. is, 10. is, 11. are.