Answer:
What is it that you must give before you can keep it
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
It is a symphony of noise, It can produce both grief and joys, It is inspiring and grand, Made by a person or a band.
You are on an electric train. Which direction will the smoke fly in?
Mary's child slept in one of these
It is something you will never see again.