— If it tomorrow we’ll stay at home. — It would be boring.A. rainB. rainsC. will rainD. i

问题补充：

— If it tomorrow, we’ll stay at home.

— It would be boring.

A. rain

B. rains

C. will rain

D. is raining

答案：

A. rain

(答案→)B. rains

C. will rain

D. is raining

解析：考查动词时态。If的条件从句，从句用一般现在时代替将来时，故选B。