问题补充:
We for a picnic if it this Sunday.
A. won’t go , will rain
B. won’t go , rains
C. didn’t go , is raining
D. don’t go , don’t rain
答案:
A. won’t go , will rain
(答案→)B. won’t go , rains
C. didn’t go , is raining
D. don’t go , don’t rain
解析: if引导的条件状语从句用一般现在时,主句要用一般将来时,即主将从现原则。句意:如果这周日下雨,我们就不去野餐了。故选B。