根据It' s break (休息) time between classes. Tom and his classmates are running after each other happily in the hallways. （这是课间休息时间。汤姆和他的同学们在走廊里快乐地互相追逐。）可知 C选项when class is over, you 'should have a short rest either inside or outside your classroom. But don't run here and there. （当下课的时候，你应该在教室里或教室外休息一会儿。但是不要到处跑。）是针对课间跑步的，故本题答案为C。

广东省阳江市江城区2020-2021学年七年级下学期英语月考一（期中）质量监测卷