snow,snowy,snows,snowing的用途

snow,snowy,snows,snowing的用途 snow snowy snows snowing的用法. 请问snow,snowy,snows,snowing怎么辨别 It‘s ___ heavily outside.A.snow B.snows C.snowy D.snowing 选哪 snow,snowy,snows有什么区别 It was _____(snow)yesterday 填snowing还是snowy?原因. snow和snowy的区别 snow和snowy的用法 It___in Hainan.A.never snow B.never snows C.is never snowing It in witer in Hainan.A.snowing B.snows C.snow D.doesn't sno 单项选择 Does it often _____ in winter?A、snows B、snow C、snowy it always -- （snow）in winter beijing.为什么用snows 而不用snowy?