what a bad weather 这句话对吗?

what a bad weather 这句话对吗? what a bad weather! what a bad weather对吗?weather是不可数为什么用a修饰? What bad weather!还是What a bad weather! what bad weather 为什么不是what a bad weather What fine weather today is这句话对吗? ------weather it is A what a bad B what bad C how a bad D ho what bad weather 还是what a bad weather ,哪个对,还是都对? What a weather day! 语法对吗? 是what a bad weather it is 还是waht bad weather it is what a sunny weather today 还是what a bad weather today What+is+the+weather+like+in+July+in+Shanghai?这句话对吗