Предложения все неправильные нужно сделать истинными: a mouse is larger than a cat a peacock is the most dangerous bird in the moscow zoo mice are heavier than dogs ostriches can't fly. ostriches are the smallest birds the largest animal in the world is the dinosaur a shark's ears are very long a giraffe is faster than a cheetah the blue whale is the largest fish the asian elephant is smaller than the nile crocodile alligators are more dangerous than crocodiles all pigs are pink

1) A mouse is smaller than a cat.
2) A peacock is the most beautiful bird in the Moscow Zoo.
3) Dogs are heavier than mice.
4) Ostriches can't fly. 
5) Ostriches are the biggest birds.
6) The largest animal in the world is the blue whale.
7) A hare's ears are very long.  Sharks have no ears at all.
8) A giraffe is slower than a cheetah.
A cheetah is the fastest animal in the world.
9) The blue whale is the largest mammal.
10) The Asian elephant is bigger than the Nile crocodile.
11) Alligators are as dangerous as crocodiles. 
12) Not all pigs are pink.