1、colourful neon lights were hung here and there during national day。国庆节期间到处挂着彩灯。2、national day falls on a monday this year。今年国庆节是星期一。3、the national day is drawing closer。国庆节快到了。4、the laughter on the boats mingled with that on shore.adding to the jubilation on national day。船上和岸上的笑声交汇在一起，增加了国庆节的欢乐气氛。