Answer:
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
I row quickly with four oars, but never come out from under my own roof. What am I?
You hold my tail while I fish for you. What am I?
What room do ghosts avoid?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.