状语从句时态的题目

问题描述:

状语从句时态的题目
what if it( )when we swim in the river?
A.rains
B.will rain
C.is raining
D.has rained
原因啊 大哥大姐

A
what if省略 应为what shall we do if
然后主将从现
when we swim in the river只是状语
主将:what shall we do
从现:if it rains