3.What letter is a drink?4.What is black when it is clean and white when it is dirty?5.You have
猜灯谜 3.What letter is a drink?
4.What is black when it is clean and white when it is dirty?
5.You have two littlewindows,which you open in the morning ,but close them at night .When a man looks into them,he can see his own face.