为你解答。It's raining (heavily,副词)outside.You'd better stay at home now.现在外面雨下得很大。你最后待在家里。解释:rain heavily,雨下得大,用副词来修饰动词。
It's raining ________(heavy)outside.You'd better stay at home now.heavily
heavily---这里是下着大雨,要用副词heavily