Dolphins
What they are like
They are grey and 1.
white
. They are clever and 2.
friendly
.
How they breathe
They come out of the water and breathe through the hole in the 3.
head
.
How they live
They live together in 4.
big
groups.
How they 5.
swim
They move their tails up and down.
答案：1.white 2.friendly 3.head 4.big 5.swim
