A key.
更多英語(yǔ)謎語(yǔ)
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
The more of these you take, the more appear behind you.What are they?
I begin with T, end with T, and have T in myself. What am I?
What is in the middle of Paris?