Why do people go to bed?because the bed will not come to us中

Why do people go to bed?because the bed will not come to us中 Riddles:Why do people go to bed? why do people go to bed? why do people go bed? Why do we go to bed? why do I have to go to bed to make the tea? why do you do go to bed so early today Our teacher told us 什么 not go to bed late. why do you go to bed 一个脑筋急转弯 ____you don not go to bed earlier,you will feel tired in the Why must we go to bed? 语法：go to bed还是go to the bed对.