是in summer vacation还是in the summer vacation啊?我班同学因为这个吵了一节课.
问题描述：
是in summer vacation还是in the summer vacation啊?
我班同学因为这个吵了一节课.
答
In summer vacation
例句：In summer vacation, some families send their children to summer camps for a week or two.Some of these summer camps are held by the Red Cross and might teach the children swimming boating,and life-saving.
答
是on summer wacation
答
In summer vacation
summer vacation 不能用the 修饰.放心.没错.