Do you know animals very well?There are many 1 kinds of animals on the earth.Some animals like tigers and lions 2 the forest.
They are dangerous(危险的)animals.Some like fish live in 3 .Some others live 4 marl(泥土).They are friendly animals. 5 animal is the biggest and strongest animal on land?The 6 is.And the elephant can be used to do some 7 .And I think the 8 is the most clever of the animals.It 9 a little child.
Do you like them?They are our 10 .Without(没有)them,life will be hard and alone.