it often rains和it often

问题描述:

it often rains和it often
It often _____in Moscow and now it's _______应该怎么填、后一个是raining、前一个填rainy还是rains

前一个是RAINS,陈述一种事实用一般现在时,后一个用RAINING,表示现在进行时.RAINY是形容词,如果要用它的话,前面必须有个BE动词.