Ответ:

Решение:

  1. follow — to give food to someone or something
  2. important — find out the size of something
  3. the long white teeth on both sides of an elephant's nose — important
  4. the hard, protective cover of a sea animal — follow
  5. important — the long white teeth on both sides of an elephant's nose
  6. follow — the hard, protective cover of a sea animal

Ответ: 1-d, 2-a, 3-e, 4-f, 5-c, 6-b