1. They are smaller ________ most whales and have teeth.
than
2. Dolphins are very clever animals. They learn things very __________
quickly
3. They like to play in the water and to jump ________ of the water and back in again.
out
4. A lot of people _______ sail boats say that dolphins like to be near people.
who
5. They come very near boats and sometimes they ________ with the boats for days.
swim
