Complete the crossword using the clues given.

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Across
  1. 2. Where are the undies, Superman? (5+6)
  2. 3. They make the bedrock. (11)
  3. 4. The first IVF baby (5+5)
  4. 5. The capital of Denmark. (10)
  5. 7. Doth mother know thou weareth her drapes? (4+5)
  6. 9. Plagued by pigs. (5+5)
  7. 10. Fire in the hole. (8)
  8. 11. The story of Eliza Doolittle. (9)
  9. 13. Common Name of Ferrous Ammonium Sulphate (4+4)
  10. 15. Wand of _____, never prosper. (5)
  11. 18. The Geek Goddess of Maidens. (7)
  12. 19. The wolf of a true Stark. (5)
  13. 20. The largest human organ. (4)
Down
  1. 1. Here's a soft kitty. (7+6)
  2. 6. The wife of Jehangir. (9)
  3. 8. A Spanish dance modelled after bullfighting. (4+5)
  4. 12. Not all who wander are lost. (7)
  5. 14. What'll you be if you are helically attached to an inclined plane? (7)
  6. 16. Silica in their bodies. (7)
  7. 17. Don't touch Lola.(6)