英语小谜语
猜一猜下面三个英语谜语分别指的是什么
1:Whattwowordshavethemostlettersinit?()
2:Whathasarmsbutcan'thug?()
3:Whatcanrunbutneverwalks,hasamouthbutnevertalks,hasaheadbutneverweeps,hasabedbutneversleeps?()