What can hear without ears and answer without a mouth?字谜语大全及答案
(什么东西没有耳朵却能听，没有嘴巴却能回答你？)
2 What room has no walls,no doors,no windows,and no floors?
(什么“ROOM”没有墙壁也没有门窗、地板？)
3 What is dark but is made by light ?
(什么东西由光引起，但本身却是暗的？)
4 What is easy to get into but hard to get out of ?
(什么进去容易出来难？)
5 What is black When it is clean and white when it is dirty?
(什么东西干净的时候是黑的，脏的时候是白的？)