是 a exciting news还是 an exciting news?

是 a exciting news还是 an exciting news? 是how exciting news还是what exciting news What exciting news?How exciting news?What a exciting news?哪个 what an exciting news求解正误 the news is very 后面是填excited还是exciting The news ( )exciting The ( )news make him ( )A.excited,exciting B.exciting,excite This is a piece of exciting news=＿exciting news it is! What an exciting news.为什么要加an啊? 英语感叹句问题.（ ） exciting news is it 填 How 、What 、还是 What an 或是别的 （ ）exciting news it is! What an exciting news they have told me!