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今天一上课,赵老师就在黑板上整整齐齐地写了两个大字。我们都很纳闷,心想:“赵老师到底要干什么呢?”这时,赵老师转过头来,说:“同学们,今天我们上一
Today, a class, Zhao teacher neatly written on the blackboard two characters. We are very puzzled, thinking: ”At this point, Zhao teacher turned his head and said: " classmates, today we have a