他们在毕业舞会上跳舞到深夜。

They danced until late at night at their high school ___proms.

每年夏天，我们都期待着在皇家阿尔伯特音乐厅欣赏逍遥音乐会。

Every summer, we look forward to enjoying the ___Proms at the Royal Albert Hall.