I don't quite know the reason _______ he explained to me

i don't be quite. I don't know. “i don't know you know i don't know i don't know the restaurant,but it (say)__to be quite a good one I don't quite know the reason _______ made me think over and over I don't quite know the reason _______ he told it to me I don't quite know the reason _______ he explained to me 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