2. Write the correct adverb. Crocodiles can't run (1) fast (fast) on land, but they are very good swimmers. They
need to swim (2). (fast)
(fast) to catch fish. They go (3). (quiet)
and (4). (slow)
(slow) behind the fish to get near them but then they swim
(5)
(quick) and catch them. Crocodiles can't chew very (6)
(good). Their teeth aren't the right shape for chewing fish. They eat stones. The stones
break the fish into small pieces inside the crocodile's stomach. It works (7)
(perfect)!​