What always goes up and never goes down? (什么東西只升不降?)
What will you break once you say it? 什么東西一說出來就打破?
Will liars be honest after they die? 騙子死了之后會誠實嗎?
Can a kangaroo jump higher than the Empire State Building? 袋鼠能跳得比帝國大廈高嗎?
Why did the boy make his dog sit in the sun? 男孩為什么讓他的狗坐在陽光下?
What makes naughty boys long to work in a clock factory? 淘氣的男孩為什么想去鐘表廠工作?