What should we do if it _______ tomorrow?

What should we do if it _______ tomorrow? What should we do if it----tomorrow a,should snow b would sn what should we do if it () tomorrow.A rains B rained What shall we do if it rains tomorrow?是什么意思? 高中英语虚拟语气If it ______(rain) tomorrow,what shall we do?If it _ What should we do _______ our planet? What would you do if it ----tomorrow? yes,if i say something i mean it! we should do what i can do yes,if i say something i mean it!we should do what i can do What would you do if it-------tomorrow?We have to go on with If it ______ tomorrow, what would we do? A. rains B. were to If it _______ tomorrow,we will stay at home.