Решение:
- The gazelle is one of the fastest land animals.
- A giraffe is taller than a horse.
- A lion's tail is longer than a cat's tail.
- A fox is bigger than a rabbit.
- The great white shark is one of the most dangerous animals in the world.
- I think canaries are the good pets for children.
- A polar bear is bigger than a koala bear.
- Parrots are funnier birds than canaries.
Ответ: 1. fastest, 2. taller, 3. longer, 4. bigger, 5. most dangerous, 6. good, 7. bigger, 8. funnier.