what is it that can carry a message to anyone in any town

What is it that has legs but can't walk? what is it that you can't see,but it is always before you? 脑筋急转弯What is it that you can keep after gving it to someone else? What is more,it is true that computers can make____(decide) Many English teacher can't understand what is it that prevents students from ...Many English teacher can't understand what it is .到底是what it is 还是what is it这里? what is it that everything can divide,but no one can see the place at which it has been divided 3. It can fly. It can sing. What is it? 关于what is it that和how it is that强调句的疑问句到底是What is it that.还是What it is that.The questions that puzzled them is ___ they can win.A how is it that B how it is that老师说选B 为什么 what is it that when once lost,you can never find again? what is it that I can see but you cannot?是个谜语,请问答案是什么? What is it that when once lost,you can never arrives? 同问 what is it that when once lost,you can never find again?谜 what is it that when once lost,you can never find again?谜底 Can you tell me what it is that prevents him leaving home是什么从句 what the teacher said is so hard that he can t understand it 改为同义句 脑经急转弯：1.What is it that has legs but can＇t walk What is it that when you lost,you can never find angain? what is it that can carry a message to anyboady in any town?回答