know rain whether evening I it this don't 连词成句!要求符合语法

Do you know ___ tomorrow?a.whether will it rain b.if it will rain c.whether does it rain I don't know whether it will rain tomorrow.这个句子中哪个是谓语 know rain whether evening I it this don't 连词成句!要求符合语法 I don't know whether it will rain or not,but if it____(do),I shall stay at home. i don't know whether it will rain or not .but if it __.i shall stay at homewilldiddoesshall Do you know () the rain come from? We can't go out because of the rain.（句型转换） We can't go out ____ ____ ____ ____ the rainI don't know whether I can go swimming.(句型转换）I don't know ____ ____ ____swimming.They knocked him down and robbed his bag.(改错) 英语高手过来帮我看看这几句有没有语病I don't know whether the sea and tears are salty,but I know the rain is sour...如果有就帮我纠正下,没有就吼一下,谢咯~其实我的原文是:我不知道海水和眼泪是否是咸 whether既然连接句子,为什么Mr.Smith didn't know whether to leave or stay there. I don't know whether to go.中的whether是什么用法?什么词?什么语法结构? Let me know whether you love me.为什么用whether,而不用if?同上 谢谢 要快哦~ He asked me whether I____(know)his sister为什么 he asked me whether I___(know)his name. But I don't know whether he will miss Don't know whether to promise to mom I don't know whether he is w___ to come I don’t know whether you are hoest or did not know whether it is weal or pain?