Answer:
What is it that you must give before you can keep it
It keeps you on the ground and stops things from floating around. What is it?
What time of day, when written in a capital letters, is the same forwards, backwards and upside down?
What is always coming but never arrives?
What is this Mexican dish consisting of a tortilla rolled around a filling, typically of beans or ground or shredded beef?
When is it bad luck to see a black cat?