Question

It's ____that we will never forget.

A.such a nice city B.a such nice city C.a so nice city D.so a nice city 为什么不能选c

Answer 1

选：A.such a nice city

这是一个固定结构问题，简单说C的冠词应该在city前就没问题

so+形容词/副词+(a/an)+(单数)复数可数名词
She is so lovely a girl that everyone loves her（

such+a/an+形容词+单数可数名词
She is such a lovely girl that everyone loves her.
（她是如此可爱的一个女孩，以至每个人都喜欢她。）

Answer 2

such+a/an+adj+n(可数名词单数)
so+adj+a/an+n（可数名词单数）

Answer 3

C 应该是so nice a city

Answer 4

so nice a city