помогите пожалуйста, поставьте артикли an, a, the . спасибо заранее

3. An elephant lives in hot countries.
4. A rabbit doesn't eat meat.
5. A dolphin is a very clever animal.
6. A hippopotamus is a large African animal with short legs.
7. There is a lot of snow.
8. There is a lot of grass.
9. There are a lot of leaves.
10. There is the funniest animal in the Zoo.