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

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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.