请作者增加词汇丰富度;文章层次不够分明,缺少组织,需注意文章整体的组织结构;有句法错误,句子形式单一。
Learn to smile People have many think:sad,ashamed,amazing...We also and often have one think-happy.When our feel happy,our face will have smile.Though our feel sad,when our look the smile.We also will feel happy. One day,Mark feel very sad,because he is not pass to the text.He miss his old friend. The people said with smile:''Why so sad,Mark?''''Oh.My friend,you donnot know i is not pass my text.''But the people said:''Don't sad,Mark.If you hard work,you will pass,next t-ime.But you need smile!'' Let's learn to smile!