整个城镇都加入了国庆节的庆祝活动。

The whole town joined in the ___celebration of the national holiday.

这样的好消息值得庆祝一下！

Such good news calls for a ___celebration!

他们邀请了所有朋友参加在巴黎举行的婚礼庆典。

They invited all their friends to the wedding ___celebration in Paris.