问题
选择题
Our teacher told us _______ that we never forget it.
A．so an interesting joke
B．such an interesting joke
C．so interesting a joke
D．such interesting a joke
答案
C
so后面要紧跟形容词，然后再跟名词，如果该名词为可数名词的单数形式，那么要在名词前加不定冠词；such要跟名词，如有形容词修饰，且该名词为可数名词单数时，其结构为:such+a/an+adj.+n.。