I will stay at home and read some books if it tomorrow. A. rainB. will rainC. rainsD. is

问题补充：

I will stay at home and read some books if it tomorrow.

A. rain

B. will rain

C. rains

D. is going to rain

答案：

A. rain

B. will rain

(答案→)C. rains

D. is going to rain

解析：考察时态。If引导的条件状语从句中，用一般现在时代替将来时，主句用将来时。故C正确。