It is such important an exam that I can't afford to fail it改错是形容词或副词错了
问题描述：
It is such important an exam that I can't afford to fail it改错是形容词或副词错了
可是只能改一个地方哈
答
such an important exam 或so important an exam
such+(冠词）+adj+n.
so+adj+(冠词)+n