when you finish reading the book,you have____ better understanding of____life

问题描述:

when you finish reading the book,you have____ better understanding of____life
when you finish reading the book,you will have __a___better understanding of life
答案上说understangding是不可是名词常在前面家不定冠词
既然不可数,怎么还能用a呢?

抽象名词前面如果有形容词,就可以用a/an修饰了