I don't know （ w ） he will go there or not

I don't know the w[ ] to the library. I don't know. i don't know h后填什么词 I don't know （ w ） he will go there or not “i don't know you know i don't know 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 补充对话,一空一词,A：Can I help you B:Yes ,I'm looking for a birther 1.（ ）for my friend.A:2.( )would you like B：I don't know ,let me 3.( ) first.A：How about the 4.( )B:I don't thank Mike likes football,H e is good at basketball.A：W 7.I don’t know.How do I use commas?（变成一个复合句） I don’t know I use commas.I don’t know怎么写?