what a great day it is today这句话对不对?

what a great day it is today这句话对不对? what a happy day it It's your day;Teacher:Have a great day! what a great day和how a great day哪个对 what a great vacation it will What a great movie it is ___fun it is to fly a kite on a windy day!A how great B what a C what D how请解释一下为什麽选C谢谢 what a great day I had 改为how形式 what is A Great Day in the Neighborhood? 为什么是what great fun it is!而不是what a great fun it is! It was a great day for me.急 What a (sun) day it is today! What a beautiful day it is! What a nice day it is! What a nice day it is today? what a (fog)day it is It is a fine day today .How about___?——Sounds great!还有道：What about _____a rest?—OK,Let us go out and have a walk. today is a great day.可以这样说吗?还是it is a great day today.并延伸.