今天下午第三节课大扫除,我们像往常一样准备打扫,忽然老师神色严肃地让我们回到座位上坐好,自己却到别的班请了几位大哥哥帮我们打扫,然后急匆匆地走了。每个同学的脸上都露出一副惊讶与怀疑的神色。这是怎么一回事呢?难道我们犯了什么错误?可我们想问又不敢,想走又不行,急得同学们在座位上议论纷纷,团团直转。 This afternoon, the third lesson cleaning, we are prepared to clean as usual, suddenly the teacher look serious let us back to the seat to sit, but he went to other classes invited a few big brother to help us clean, and then hurry to go . Every student's face showed a look of surprise and suspicion. What's going on? Did we make any mistakes? But we would like to ask and dare not want to go, anxious students talked about in the seat, round the clock.