If it doesn't rain tomorrow ,I'll go hiking.为什么用doesn't而不用isn't?

this weeked if it doesn't rain.译句 We'll climb Qianling Hills if it next Sundaywon't rain rainrainy doesn't rain. If it doesn't rain tomorrow ,I will visit the Great Wall.为什么用doesn't? I don't know if it ____tomorrow.If it ____,we'll go out for a picnic.A.will rain,doesn't rain B.rains,doesn't rain I don't know if it ____tomorrow.If it ____,we'll go out for a picnic.A.will rain doesn't rain B.rains;won't rainC.will rain;won't rain D.rains,doesn't rain Tomorrow is Sunday,Jim will go hiking with his friends if it ( )A.isn't rain B.doesn't rain C.won't rain D.don't rain we will go shopping if it _ tomorrow.A.don't rain B、didn't rain C.doesn't rain D.isn't rain选哪个 will go phopping if it ( ) tomorrow.A.don't rain B.didn't rain C.doesn't rain D.isn't rain 请简要说明一下理由, it often rain,doesn't it If it doesn't rain tomorrow ,I'll go hiking.为什么用doesn't而不用isn't? i don't know if __ tomorrow.A it doesn't rain B the rain will stops C the rains won't stop D it won't rain if it doesn't 和 if it isn't什么时候用 有啥区别 If it——（not rain）tomorrow 为什么用doesn't? 英语翻译If it doesn't rain tomorrow,we will go for a vacation.If it doesn't rain tomorrow,we'll go travelling.If it doesn't rain tomorrow,we will go to travel 以上有区别吗 If it ____ tomorrow ,we will go camping.Aisn't rain B doesn't rain 为什么是doesn't 不是itsn't They'll have a picnic if it ____ tomorrow.A.doesn't rain B.don't rain C.isn't raining D.won't rain unless it rains 怎么翻译?与if it doesn't rain有什么区别? If it doesn't rain tomorrow,I will go fishing.为什么要用doesn't而不用isnt if it doesn‘t rain 【not rain】 tomorrow,we will go for a picnic为什么用doesn‘t而不用isn’t