Ответ:

task 6

2 Cats have longer tails than dogs.

Giraffes have longest tails of all.

3 Pigeons have smaller bodies than eagles.

Canaries have the smallest bodies of all.

4 Horses have longer necks than lions.

Giraffes have the longest necks of all.

5 Dogs have more legs than hens.

Spiders have the most legs of all.

task 3

1 faster

2 noisier

3 longer

4 more colourful

5 thinner

task 4

1 shortest

2 most beatiful

3 oldest

4 funniest

5 longest