下午自习课,由于有老师要去补一节课,我破天荒地可以坐在教研组,享受午后阳光的爱抚。心中的快乐与惬意因这难得的自由而荡漾。可是好景不长!在几声似乎胆怯的敲门声过后,一个头发有些凌乱,脸色略显苍白的男孩子走了进来。“又犯什么错了?”我心里想。这个男孩子也算得上我们组的“常客” Self-study classes in the afternoon, due to a teacher to go to make up a class, I can be the first to sit in teaching and research group, enjoy the afternoon sun caresses. Heart of happiness and pleasant because of this rare freedom and waves. But good times did not last long! After a few timid knock on the door, a little messy hair and a slightly pale boy came in. “What's wrong again? ” I thought. This boy can be regarded as our group “regulars ”