We don't know if it will snow or not.Whether or nor it snows

i don't know whether it will rain or not .but if it __.i sha I don't know whether it is true 【or not】.加不加 or not 有什么区别? I don't know whether you will believe or not if i say i love l don't know whether l should do it or not. If it doesn't rain .whether you will think me or not的翻译 I don't know ()we will go or not. I don'know whether you will believe or not if I say I love y I don’t know ___________ he is well or not.whether/if,为什么? we will go to play with snow if it tomorrow,填snow还是snows It depends on it whether you will succeed or not. Do you know ()they enjoy it or not?A if B whether C how D wh whether we know it or not,each of us lead our lives by an in