what would you do if it ___tomorrow?we have to carry it on ,since we've got everything ready.

问题描述:

what would you do if it ___tomorrow?we have to carry it on ,since we've got everything ready.
A rain
B rains
C will rain
D is raining
为什么不用rain原型

因为it是单数,而rain在单数的变位就是rains~~
且虽然明天是将来时,但是在if 引导的从句后表示一个一般的情况条件,所以用rains~~