điền a/any/an/some
2. There are … flats to rent. 3. Is there … boy in this class? 4. We haven’t got … cinemas here. 5. This is … interesting book. 6. There isn’t … water in the glass. 7. In the park, there are … nice trees. 8. Is there ........ sugar in my coffee? 9. Is there .... orange in the fridge? 10. Would you like … beer? 11. My brother has got ... new jeans. 12. There are .... good books in my house. 13. Can I have ... more juice? 14. I always have ... egg for breakfast. 15. Can I have ... milk, please? 16. Have you got ... pen? 17. Does Peter have ... magazines in his office? 18. Did you buy ... juice? 19. She bought ... new clothes. 20. We've got some furniture, but we still need ... table