1.What will you break once you say it?
2.Why is the library the highest building?
3.What is the smallest bridge in the world?
4.What bird lifts heavy things?
5.What's the poorest bank in the world?
6.What month do soldiers hate?
7.What can hear you without ears and can answer you without a mouth?
8.What makes the Tower of Pisa lean?
9.Why does time fly?