It's often ()(rain)here in sunmer
问题描述：
It's often ()(rain)here in sunmer
答
rainy
be 系动词后接形容词什么情况用rain什么情况用rainy什么情况用rains这句话的同义句是
It often rains here in summer.
rain 作‘动词时’ 作谓语动词时用。