Tree-frogs are interesting birds.
They live on trees. They have long legs
and wide foot. It is very strange
that they can change its colours.
They are good at jump.
They can jump high than cats.
Now there is fewer and fewer tree-frogs
if their reserves are becoming
smaller and smaller. If we won"t help them,
there will be not tree-frogs in the world. | 1. _________
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