15. (Put the adjectives in brackets into the correct degree.)
Crocodiles and Alligators Crocodiles are ... (ancient) animals in the world. There are 25 kinds of crocodiles and their relatives on our planet (large) of them is the Crested crocodile which lives in the south-east
of Asia and in Australia. They are . (long) (about six metres) and ... (strong) among their relatives, that's why Crested crocodiles are ... (dangerous). Unlike other kinds of crocodiles, which live in lakes, rivers and bogs (60- JOTO), the Crested crocodile lives in the sea. Alligators are (small) than crocodiles. The Chinese alligator is considered to be ... (small) kind of crocodiles (only two metres long). It is also (rare) one.