Answer:
You can't keep this until you have given it. What is it?
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
When will water stop running down hill?
What has a head and a tail but no body?
It comes from crystal and melts to a treat. Add it to your tea to make it sweet. What is it?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.