It looks like rain ,doesn't it?为什么要用does?

It looks like rain,isn't it?为什么不是doesn't it?呢 It doesn't look like rain,does it?有几种回答? It looks like _____,doesn't it.A.rain B.rainy C.raining D.to Look at the clouds.It looks like( ) ,doesn't it?括号中是填‘rain’吗 It looks like rain It doesn't often rain in South China,does it? 为it looks like rain,isn't it It looks like rain.里的rain是什么词性,为什么 It ____(look) like rain,doesn`t it? It looks like rain.(英译中) It looks like rain,doesnt it?Yes,it does.But I____my umbrell It looks like rain.It's c .