用isn't it或doesn't it 填空：It always rains in summer in Beijing,( )?请告诉我你为什么这么填?

用isn't it或doesn't it 填空：It always rains in summer in Beijing,( )?请告诉我你为什么这么填? Isn't it lovely weather?A.Yes,it isn'tB.No,it isC.Yes,it isD.No,it doesn't Isn't it lovely weather?A.Yes,it isn'tB.No,it isC.Yes,it isD.No,it doesn't If it doesn't rain tomorrow ,I'll go hiking.为什么用doesn't而不用isn't? if it doesn't 和 if it isn't什么时候用 有啥区别 If it——（not rain）tomorrow 为什么用doesn't? It looks like rain,isn't it?为什么不是doesn't it?呢 it tastes sweet,反意疑问句是什么?doesn't it?还是isn't it? no,it isn't isn't it nice say it isn`t If(如果 ）It __rainy.(doesn't/isn't/won't be/won't） 不经常下雪用英语怎么说?是It often doesn't snow here 还是It often isn't snow here? It doesn't work? it doesn't matter. for it doesn't 、 it doesn't matter? It doesn't matter. It doesn't match.