------ important news is in our everyday life A,What an B,Wh

What important news it is in our everyday life!
B
句意为：我们日常生活中多重要的消息啊!
因为news为不可数名词,同时此处对news感叹,故用What
感叹句：What对名词感叹,How对形容词感叹.句型结构有：
What + a/an +（形容词）+可数名词单数+（主语+谓语）!
What +（形容词）+可数名词复数/不可数名词 +(主语+谓语)!
How +形容词 +a/an+可数名词单数+（主语+谓语）!
How +形容词/副词 +（主语+谓语）!