为什么不能说 how clever a boy he is 可以等于"What a clever boy he is!"

为什么不能说 how clever a boy he is 可以等于What a clever boy he is! 为什么有的上面说How clever gril she is 不是How+adj What+n how clever a boy he is!how clever he is! What a clever boy!How clever a boy! how clever you ___ A are both B both are为什么 ( )boy he is!这道题选择什么?A.How clever a B.What clever a C.How a clever D.How clever.麻烦写点详解! How clever a boy he is!就可以转变成 he is a clever boy /boy是名词啊 为什么不用what? ___ food you've cooked!A.How a nice B.What a nice C.How nice D.What niceC How + adj.后面不能再加名词.可是How clever a boy he is!中a boy不是名词吗! how a clever boy 和 what a clever boy哪个正确? what a clever boy he is为什么不用how a那什么时候该用what a 什么时候该用how a请说明举例子 （）clever.为什么填how不填what? 感叹句的问题How clever a boy he is!How clever the boy is!这两个句子意思是一样的吧?为什么第一个句子有两个主语：“a boy”“he”是同位语吗? what nice food it is!的句子成分 为什么不能说是what a nice food it is!为什么不能说how a nice food it is! How clever a boy he is!这句话对么 How clever a boy he is!这句话对吗? (how/what a )clever the boy is!填词呦酱 8._________if he doesn;t learn he knows nothing.8._________if he doesn't learn he knows nothing.(A)A man is ever so clever(B)Be a man ever so clever(C)So clever as a man ever is(D)No matter how a man is clever为什么? What a clever girl she is!可以换成How感叹的句型呢?为什么?别人说 what 对名词提问,how对副词提问,这儿的名词,副词 是指 主语,还是修饰主语的那个成份?How well she sings!可以换成what感叹的句型么？