Tomorrow is Sunday. Jim will go hiking with his friends if it .A. isn’t rainB. doesn’t rai

问题补充：

Tomorrow is Sunday. Jim will go hiking with his friends if it .

A. isn’t rain

B. doesn’t rain

C. won’t rain

D. don’t rain

答案：

A. isn’t rain

(答案→)B. doesn’t rain

C. won’t rain

D. don’t rain

解析：考查if的用法。if“如果”，引导条件状语从句时，从句用一般现在时代替一般将来时，排除C；it是第三人称，故用doesn’t构成否定。故选B。