2**Complete the sentences with the words
in the box.
than dangerous most more bigger
the tallest best
Dogs are bigger than cats.
1 Giraffes are the
animals in the
world.
2 Elephants aren't longer
blue
whales.
3 Humans are
common than
tigers.
4 Have chimpanzees got the
memory?
5 Dolphins aren't
noisiest
animals in the sea.
6 Gorillas aren't the.
aggressive
animals.
7 Are humans the most
animals
in the world?​