英语IQ题：what has teeth but cannot eat?

英语IQ题：what has teeth but cannot eat? 英语题：What has teeth but cannot eat? 帮我解答一下英语的IQ题!1.Why is nine afraid of seven 2.What kind of ship never sinks?3.What kind of dog would a person bite 4.What'sthe end of everything?5.What goes up when the rain come down?6.What has teeth but doesn't bite?7.What is whi 英语谜语：what has teeth but can ’t bite 一道英语IQ题What kind of room has no walls,no doors,no windows,and no floors? What has teeth but cannot eat? What has teeth but can't eat? What has teeth but cannot eat? What has teeth but can't eat? what has teeth,but can't chew What has teeth but cannot eat? what has teeth,but can'tchew? What has teeth but cannot eat? 英语IQ题：what is there between sea and sky? 英语IQ题：What is the missing number?如图所示, 英语IQ题：what goes up but never comes down? 英语IQ题：what two words contain thousands of letters? 英语IQ题：what letter is a question?