英语 as引导的定语从句
当先行词被such 修饰时用as引导定语从句.即 such...as .那么,such .as 能改成so.as么?
如这个句子
It's such a difficult problem as nobody can work out.
能改成
It's so difficult problem as nobody can work out.
或名词用复数
They are such difficult problems as nobody can work out.