Tweet was a quiet little bird. All day long, he sat alone in his tree. He 1 sang. He just watched the world around him. Tweet watched frogs and 2 swimming in the pool. He watched rabbits and mice playing in the woods. Day after day, he sat in the same tree and watched the same things.
One day, there was something 3 birds were born. The babies opened their to see. It happened right in Tweet's tree. Four little mouths wide. They were 4. Tweet watched Mother Bird fly off to find food for them.
One of the babies kept trying to find its mother. It moved away from the other birds. Tweet got worried 5 the baby was getting to the edge（边缘）of the nest.
All at once, the baby bird 6! Tweet flew as fast as he could to save the baby bird. Luckily, 7 landed on Tweet's soft back. Tweet flew up and put the little bird into its nest.
Just then, Mother Bird came back with some tasty bugs for the little birds. She thanked Tweet for 8 her baby. To pay back his 9, she gave him the biggest bug. Tweet smiled and stood up tall.
After that, Tweet always sat 10 the nest. When Mother Bird left to find food, she did not worry. Tweet wasn't quiet any more! His pretty song filled the forest It let her know that her babies were safe in their nest!
