I don't know -----it next .A wha t to do B how to do C how can I do D what can I do答案为什么是B

I don't know what it means = I don't know _________. i don't know how to do it句型转换i don't know[ ][ ][ ]do. I don't know. I don't know.Do it how can i What t( ) is it?I don't know.I don't have a watch. I don t know how I should do it同意句I don t know how ____ ____ it “i don't know you know i don't know Sorry I don't know it .Can you speak chinese I don't know the answer.It's d______. sorry i don't know what does it means i don't know how to deal with it同义句 i don't know ( )( )( )( )it.i don't know how to deal with it同义句i don't know ( )( )( )( )it. It's a cat.I don't know （）name. I _ don't know what it is I Don'T Know What It Is 歌词 I don't want know why is it i bet you don't know what it means翻译 when it left scars can heal~i don't know~ I' DON'T KNOW!IT NONE OF YOU BUSINISS