题目内容：

it wasn^t such a good dinner as she had promised us.为什么是as ,我觉得是that?
that 为什么不对呢？

优质解答

such...as中的as引导的是定语从句,有"正如什么"的意思
such...that后面接的是结果状语从句,有"如此.以致"的意思
对比一下,你就明白为什么用as了