为何不能用a good news?

为何不能用a good news? good news请问a good news行吗? I have____ good news[a/不填] 为什么? 为什么是what good news.news不是看作单数吗前面为什么不加a呢 这样对吗----a good news ___it is. A what good news B what a good news C how good news D how a good news such a good news 还是such good news that is good news 为什么不是a good news? attention,please!i'll have__to tell you.A.a few good news B.a number of good newsC.little good news D.a little good news..为什么我不知道. a good news-bad news story 求翻译课文标题..不知道怎么翻译比较好..求大神 what good news she told us!这里的 WHAT后为什么不加A 呢,NEWS不是形复意单吗? news是不可数名词吧,a good news 又是怎么回事 news是不可数名词, 又为什么可以说a good news we have never heard such wonderful news.为什么这里不能用such a “Good news on a bad day”中文意思?很好理解,但不知道要怎么表达. a good idea struck me如何不能用hit me good news 为何餐馆不能用英文名?