complete this sentence and change a verbs into a nouns

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Across
  1. 2. he writes a...on the internet about mountain climbing
  2. 6. he is an expert in the ... of technology
  3. 7. they have a...in Bandung
  4. 8. manage
  5. 11. recommend
  6. 13. Hospital... are expensive
  7. 14. achieve
  8. 15. organize
Down
  1. 1. combine
  2. 3. depend
  3. 4. My brother... a programme every day
  4. 5. prefer
  5. 9. involve
  6. 10. entertain
  7. 12. exist