During the air pollution red alert, the Beijing Commission of Education ordered all kindergartens, primary schools and middle schools to suspend classes.
在空气污染红色预警期间，北京市教委下令让所有幼儿园、小学和中学停课。
All middle and primary schools were informed they could suspend classes if necessary.
所有的中学和小学被通知，如果必要的话，可以停止上课。
Choking smog shrouded Northeast China on Monday, forcing schools to suspend classes and disrupting flights and road traffic.
周一，令人窒息的雾霾笼罩了东北地区，迫使学校停课，也阻断了航班和道路交通。
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