题目内容：

There was a ___ snow last night ,and it is still snowing ___ now.A.heavy;heavyily B.heavy;heavy
C.heavyily;heavy D.heavyily;heavyily

优质解答

a heavy snow：形容雨、雪下得很大,用heavy.它是一个形容词,修饰名词；
snow heavily：也表示雪下得很大,不过是一个动作.heavily,是一个副词,副词修饰动词.