when do people have tow mouth?

when do people have two mouth when do people have tow mouth? when do people have two mouths? when do people have two mouthes脑筋急转弯 Brain Teasers:When do people have two mouths? when,christmas,celebrate,people,do(?) when do some people who have interesting jobs retire?什么意思 脑筋急转弯:When do people have two mouths?Thanks a lot! Why is the letter E so important?顺便也帮我写 When do people have two mouths?What is full when it 's used and empty when it'sat rest When do people have two mouths? why do people have pets? When do you have English? When do you have music? when do you have english when do you have school when do you have twitter When do people celebrate the festivals? When people have 2 mouth,why? many people get the fiu.how do you know when you have the fiu?请翻译成中文