I don't know weather you know that every chinese city almost have its own language.错在哪?如题

I don't know. “i don't know you know i don't know I hardly don't know anything about the weather science（有一个错误） I don't know _____ it will rain tomorrow.A.if B wether 为什么?I don't know _____ it will rain tomorrow.A.if B weather 为什么？ I don’t like the b____ weather. i don't catch the weather sorry,I don't know. i don`t know much I don't really know. 英语；I don't know I don't know miss I don't know him. I don't know now 翻译 i don't know So know,I don't I don't know her i don't know anything -What's the weather forecast ( )tomorrow?-Sorry ,I don't know.a.forb.to c.withd.of