9.All the students in Class 5 will climb the mountain if it _______ rain tomorrow.

问题描述:

9.All the students in Class 5 will climb the mountain if it _______ rain tomorrow.
A.won’t B.don’t C.didn’t D.doesn’t
有人知道这为什么要选D吗?最好说清楚为什么.

doesn't
时间状语从句中,用一般现在时代替将=将来时