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The bear loved to sing very much.
He always sang when he worked.
Now his grandma's birthday was coming. He decided to make some delicious cakes for her.
Then the dog, the goat and the pig all came to help him.
The bear began to work singing at the same time.
Happy birthday to you.
Soon the smell of the cakes came from the oven.
The dog opened the oven and took the sweet cakes out.
“Are they sweet?”he said.
He tasted a small piece. He was eating when suddenly from his navels out the song.
Happy birthday to you.
Then he gave everyboday a cake.
They all began to eat .Then the music came from all their navels.
"That's wonderful!"The bear said.
Now let's make a big cake.
Then it can hold many songs.
So they began to make the big cake.
This time all the friends sang together.
Happy birthday to you.
Then the bear sent the cake to his grandma. She was very happy.
Then when she ate the cake she heard the song.
Happy birthday to you.
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He always sang when he worked.
Now his grandma's birthday was coming. He decided to make some delicious cakes for her.
Then the dog, the goat and the pig all came to help him.
The bear began to work singing at the same time.
Happy birthday to you.
Soon the smell of the cakes came from the oven.
The dog opened the oven and took the sweet cakes out.
“Are they sweet?”he said.
He tasted a small piece. He was eating when suddenly from his navels out the song.
Happy birthday to you.
Then he gave everyboday a cake.
They all began to eat .Then the music came from all their navels.
"That's wonderful!"The bear said.
Now let's make a big cake.
Then it can hold many songs.
So they began to make the big cake.
This time all the friends sang together.
Happy birthday to you.
Then the bear sent the cake to his grandma. She was very happy.
Then when she ate the cake she heard the song.
Happy birthday to you.
“本文中所涉及到的图表、公式、注解等请以PDF格式阅读”