What are the children going to do if it next Saturday?A. isn’t rainB. doesn’ t rainC. won’

问题补充：

What are the children going to do if it next Saturday?

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：B 考查if条件状语从句。If从句遵循“主将从现”原则，即if从句用一般现在时代替将来时。修饰动词rain用助动词，排除A，选B。