We’ll go for a walk if it tomorrow.A. will not rainB. doesn’t rainC. isn’t rainingD. isn

问题补充：

We’ll go for a walk if it tomorrow.

A. will not rain

B. doesn’t rain

C. isn’t raining

D. isn’t rain

答案：

A. will not rain

(答案→)B. doesn’t rain

C. isn’t raining

D. isn’t rain

解析：考查条件状语从句。句意;如果天不下雨，我将会去散步。If 引导的条件状语从句，从句中用一般现在时，主句中用一般将来时。故选B。