问题补充：
It will be tomorrow, so there will be a lot of tomorrow.
A. rain, rain
Brainy, rain
C. rain, rainy
D. rainy, rain
答案：
A. rain, rain
(答案→)B. rainy, rain
C. rain, rainy
D. rainy, rain
解析：句意：明天将是下雨的，因此明天将有许多雨。rain(名词),rainy(形容词), It will be+形容词故填rainy，there will be+名词故填rain。根据题意故选B.
