I don't know _______________.A.why do this B.why having done

I don't know _______________.A.why do this B.why having done I don't want know .this why i do't know why this days I don't know why always like this!Don't do like that! I don't know __.A.the reason why can be B.why the reason may i don't know the reason____ jim came so late a why b for why I Don T Know Why (I Just Do) (Live) 歌词 I DON't know why he do it I don’t know why my request will cause this woman’s reject.A Tell me why I don't know why I love you so much Do you love now I don't know why I I don't know ( )I should choose.A,why B,when C,which D,what,