银钥匙

It was a 1)stormy night.A traveler reached an 2)inn.It was very late.He found the door locked from within.He knocked at the door. The gatekeeper came,saying,"I have lost the key and the door cannot be opened,unless you have a silver key with you." The traveler understood what hemeant by the silver key.He immediately3)slipped a silver coin through the hole,and the door opened.

The Silver Key