Fill in the blank
----- Nội dung ảnh -----
Sharks are fish. They don't like cold water. They live in the sea in hot parts 1 __________ the world. They catch smaller fish and sea animals, which they 2 __________ with their strong teeth. Some people say that sharks never fall asleep, but this is wrong. They sleep, but 3 __________ eyes are always open and they never stop 4 __________. There are many different kinds of sharks. The biggest ones are white. People 5 __________ afraid of them, but most sharks are small and they can't hurt you.
Sharks are fish. They don't like cold water. They live in the sea in hot parts 1 __________ the world. They catch smaller fish and sea animals, which they 2 __________ with their strong teeth. Some people say that sharks never fall asleep, but this is wrong. They sleep, but 3 __________ eyes are always open and they never stop 4 __________. There are many different kinds of sharks. The biggest ones are white. People 5 __________ afraid of them, but most sharks are small and they can't hurt you.