is't it a lovely weather为什么要用a

is't it a lovely weather为什么要用a Lovely weather,______it?—Yes,it is warm today.A.doesn’t B.is 改错 What a lovely weather it is today! what ( ) lovely weather it is 此处可以填a A:lovely weather,isn't it?B:Yes,isn't it? Lovely weather ,isn't it?Yes ,a bit hot--A although B but C Isn't it lovely weather? what a lovely weather! -It is a lovely day ,isnot it?-Yes ,I love _when the weather 4 What___ lovely weather it is!A./ B.the C.an D.a (说明理由）________ lovely weather it is today!A.How B.How a C.Wh What _____ lovely weather it is?为什么要填零冠词“\”