我们总是在一家昂贵的餐厅吃晚餐来庆祝我们的结婚纪念日。

We always celebrate our wedding ___anniversary with dinner at an expensive restaurant.

明天是革命的第五十周年纪念日。

Tomorrow is the fiftieth ___anniversary of the revolution.

她和她的丈夫正在欧洲旅行，作为他们结婚十周年纪念的第二次蜜月。

She and her husband are touring Europe for a second honeymoon on the 10th ___anniversary of their marriage.