what a bad weather!我见到过这种用法,但weather是不可数名词呀.也能用a呀?

What bad weather!还是What a bad weather! 有what a bad weather这一说么? weather是可数名词吗What a bad weather? 有what a bad weather这一说么?那为什么不是what bad weather呢？ It is raining outside .（ ）it is!A.how bad weather B.what a bad weather C.how a bad weatherD.what bad weather 是what a bad weather it is 还是waht bad weather it is what a bad weather 这句话对吗?（ ） bad weather!A.what B.what a C.how what a bad weather it is!改错 A.what B.a C.weather D.is ------weather it is A what a bad B what bad C how a bad D how bad what a sunny weather today 还是what a bad weather today请指教 What bad weather it is!How bad the weather is!我不明白用how 这句话weather前要加the. _____ it was yesterday because of the storm A.What bad weather B.What a bad weather C.How abad a weather D.How bad wezther what a bad weather!这句话对吗?怎么该 请问有没有what a bad weather!或者what a bad rain? 请问有没有what a bad weather!或者what a bad rain? weather,what,is,it,bad what bad weather 还是what a bad weather ,哪个对,还是都对?有人说; what bad weater中（what 充当双重成分）。怎么回事 what a bad weather对吗?weather是不可数为什么用a修饰?