她的新项链是店里最闪亮的首饰。

Her new necklace was the ___shiniest piece of jewelry in the store.

他把皮鞋擦得锃亮，是办公室里最闪亮的。

He polished his shoes until they were the ___shiniest in the office.

他在比赛中的表现是整个比赛中最闪耀的时刻。

His performance was the ___shiniest moment of the whole competition.