They said they would not go to the Great Wall if it_____tomrrow.(rains,raining,rained,will rain).选哪个?
问题描述：
They said they would not go to the Great Wall if it_____tomrrow.(rains,raining,rained,will rain).选哪个?
答
rained解释一下？if引导的条件状语从句，主句用将来时，从句用一般现在时，由于这句是一个复合句，时态是过去时，所以为了保持时态一致，if的主句要用过去将来时，从句要用一般过去时