1dogs are (friendly) than cats. 2 dolphins are (intelligent) animals of all. 3 giraffes have got (long) legs than elephants. 4 parrots are (colourful) birds of all. 5 cheetahs are (fast) of all land animals. 6 horses are (big) than goats. 7 dogs make (good) pets of all. 8 elephants are (heavy) than goats.