What do you want to be?

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Across
  1. 2. Famous for singing songs (3,4)
  2. 6. Uses computers (6,7)
  3. 7. Fixes people's teeth (7)
  4. 9. Builds things (8)
Down
  1. 1. Has lots of pigs, cows and sheep (6)
  2. 3. Works in a shop (5,9)
  3. 4. Cooks in a restaurant (4)
  4. 5. Draws plans for buildings (9)
  5. 7. Helps people who are sick (6)
  6. 8. Helps animals (3)