阅读短文，回答问题。
It is a sunny morning Robin is going to sit the grass when he hears,”Wait!”It is a little ant.He is afraid.”P;ease don’t sit on me.One day I can help you.””Don’t worry,little ant.I won’t sit on you,”says Roin.
The next day, it is raining.Robin is in the park.He is stuck in the mud.He is worrid,Then he hears,”Let us help you!” It is the ant and all of his friends.Thy are strong.They pull Robin out of the mud.Everyone is happy!
（1）Is Robin in  the park on a sunny morning
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（2）Is Robin worried when he is stuck in the mud?
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（3）Who  help Robin in the raining day?
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Is everyone sad at last(最后)？
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