6. Fill in the gaps: 1) The elephant is the …

6. Fill in the gaps: 1) The elephant is the … (big) land animal.2) Monkeys are … (sociable) than giraffes.3) These baby monkeys are … (curious) than those ones.4) A dog is a man's … (good) friend.5) I think dolphines are the … (clever) animals in the world.6) Horses are … (beautiful) than camels.