Livi's Advent Puzzle!

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Across
  1. 3. Tipsy alcoholic starter is reward for naughty behaviour (4)
  2. 4. Feed box to eat French (6)
  3. 6. Adopted Father in San Jose, Philadelphia (6)
  4. 7. I have keys but no locks. You can enter, but you can’t go outside. I have space but no room. What am I? (8)
  5. 10. Where can you finish a book without finishing a sentence? (6)
  6. 13. If your uncle’s sister is not your aunt, what relation is she to you? (6)
  7. 14. Celebrity rats return (4)
  8. 15. First great risotto is no cave (6)
  9. 17. Flea lost tail and reversed present maker (3)
  10. 19. What can go up a chimney down, but can’t go down a chimney up? (8)
  11. 22. I am an odd number. Take away a letter and I become even. What number am I? (5)
Down
  1. 1. What do you throw out when you want to use it but take in when you don’t want to use it? (6)
  2. 2. City Girl by Leicester Border (9)
  3. 4. Picture clue (13)
  4. 5. What runs, but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats? (5)
  5. 8. I hear the new secret agent is a tasty treat (5, 3)
  6. 9. What can travel all around the world without leaving its corner? (5)
  7. 11. Gegs! (9,4)
  8. 12. Put up with a Large Animal (4)
  9. 15. American Soldier and holy man together provided synopsis (4)
  10. 16. Forwards I am heavy, backward I am not. What am I? (3)
  11. 18. What word is pronounced the same if you take away four of its five letters? (5)
  12. 20. Master bed of small size, originally (4)
  13. 21. What has a bottom at the top? (4 The answer for the crossword is the plural)