I don’t know the man you mention,but of course I know ______

I don’t know the man you mention,but of course I know ______ Can you ______ it in English?Of course,I can.Don't you know What do you think of the fish?It looks( ),but I don't know i But I don\'\'t know why you I don't know the __ income of the family,but I do know it is I don't know the ____ income of the family,but I do know it i don't know where to start...but to show you the shape of m 翻译why I don't know but you know -Do you know when he_ the work?-sorry,I don't know ,but I th but i don't know I don’t know the meaning of this word; can you ______ it in Do you know ______?---No,I don't know.