There was the best meal I have had at the restaurant last ni

There was the best meal I have had at the restaurant last night。【It 】was the best meal【that引导定语从句,做从句宾语,省略】 I have had at the restaurant last night。其中it 是代词,代替the meal 。there 是副词,可用于【某处有某物】的固定句型。句意：昨天晚上在餐馆所吃的那顿饭是我所吃过的最好的一顿饭。