1)、What never asks questions but must be answered?
什么从不问问题,但必须被回答?
The telephone
电话
2)、What is dark but can't live without light?
什么是暗得但必须与光同在?
The shadow
影子
3)、What room has no walls,no doors or no windows?
什么房间没墙没门也没窗?
A mushroom
蘑菇
4)、What goes up when rain goes down?
什么当下雨时张开?
Umbrella
雨伞