Dolphins are among the A creatures in our seas and oceans. People like them for playful behavior and often come B dolphin shows. These animals C jump out of water and carry and pass a ball. There are over 40 species of dolphins. Most dolphins eat fish and squid. They have from 100 to 200 D Dolphins can make clicks and whistle sounds and communicate on long distances with the help of echolocation. Some species even learn to make their individual sounds which can identify E for other dolphins. Maybe these sounds are their names! A 1) most intelligent 2) intelligent 3) intelligentest B 1) watch 2) watching 3) to watch C 1) can 2) must 3) may D 1) tooth 2) teeth 3) toothes E 1) they 2) their 3) them