夜色渐浓,玛丽小姐还在办公室里批改着音乐试卷。玛丽小姐边批改,脸上边露出满意的笑容。她为学生们的聪颖、认真而感到高兴。当她批改到卡尔的试卷时,脸色顿时由晴转阴,只见她在试卷上用力打了个叉,由于用力过大,试卷都被戳穿了,殷红的墨水渗透了试卷的背面。只听见玛丽小姐嘀咕道:“这卡尔也太笨了,这道题我都讲了三四遍了,他怎么还做错?” Darkening, Miss Mary still in the office to edit the music papers. Miss Mary modified, his face showing a satisfactory smile. She was very happy with the cleverness and seriousness of the students. When she changed to Carl’s test paper, his face suddenly from the clear and cloudy, I saw her hard on the test paper hit a fork, due to excessive force, the papers have been punctured, the red ink infiltrated the back of the test paper. Only to hear Miss Mary whispered: “This Carl is too stupid, I have talked about this question three or four times, how he did wrong? ”