Answer:
I have eighty-eight keys but cannot open a single door? What am I?
In many hallways you would stand, if not with this in hand.
What is born on the ground but floats to the sky, to be returned back again from the clouds up high?
Timid or weak people are said to not have these.
What is so delicate that saying its name breaks it?
When is it bad luck to see a black cat?