Ответ:

2. Colours with missing vowels:

  1. yellow
  2. greyen
  3. black
  4. grey
  5. brown
  6. pink
  7. blue
  8. purple
  9. white
  10. red, orange

Ответ: 1. yellow, 2. green, 3. black, 4. grey, 5. brown, 6. pink, 7. blue, 8. purple, 9. white, 10. red or orange.