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?

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? 为什么是what good news.news不是看作单数吗前面为什么不加a呢 ()good news our teacher told us.a.what b.wh what a good news it is! what good news it is ! 那一句是正确的,为什么? ( ) good news our teacher has told us!A What B How what a good news还是what good news _____nice news you have told us!A.What B.What a C.How D.How that is good news 为什么不是"a" good news? what good news还是how good news The monitor told us ＿ A.a good news B.a piece of good news C 1._____interesting news he told us a few minutes ago!A.What What terrible news! 为什么不是How terrible news!