If 前后何时加 willWe will go climbing if it _____ tomorrow 1.won't rain 2.did rain 3.isn't rain 4.doesn't rain I don't know if it ________tomorrow 1.will rain 2.rains 3.rainde 4.is rain
问题描述：
If 前后何时加 will
We will go climbing if it _____ tomorrow 1.won't rain 2.did rain 3.isn't rain 4.doesn't rain I don't know if it ________tomorrow 1.will rain 2.rains 3.rainde 4.is rain
答
"主将从现"前主句用的是Will,后面用If引导的从句要用一般现在时. We will go climbing if it doesn't rain tomorrow I don't know if it is rain tomorrow
答
4、1.