We will go swimming if the weather ___fine tomorrow.

问题描述:

We will go swimming if the weather ___fine tomorrow.
A.is B.was C.will be D.is going to be
应该选哪个 为什么?

A
if 引导条件状语从句,用一般现在时表将来.
例:
We will go to the party if he comes soon.