翻译：马克因病担搁了一些课，愈后回校，大家帮他补上了缺席的课，赶上了同学。

Mark is ill and is absent from school for a few days. When he came back, and everybody helps him ................................................................................................................
Everyone takes their turn to help him every day after school, and study various subjects with him. Mark is studying hard and very soon finished the classes he left. With everyone and teacher's help, Mark's efforts to catch up with the students in their learning have paid off. We believe that helping others is a pleasure.