英语高手们帮忙看看这篇文章是否有瑕疵

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英语高手们帮忙看看这篇文章是否有瑕疵
Alan was very sad yesterday,he was really unlucky.Why do I say so?Because when he was out of the house and got ready for work,he fell in a puddle edge and fell into the puddle,he got a mud.When he put on clean clothes,he went to work from home.But he was late,and his boss picked on him.

Alan was very sad yesterday, becausehe was really unlucky. Why do I say so? Because when he was out of the houseand got ready for work, he fell in a puddle edge,fell into the puddle and he got a mud. ...