noon pool tooth foot 中间OO哪个是读音不同的（长音、短音）

noon pool tooth foot 中间OO哪个是读音不同的（长音、短音） tooth,foot 它们的发音是否相同? At noon I took a book,and sat by the pool in the wood.I soon took off my boot,and put my foot in此句绕口令翻译怎么讲 求I,him,this,her,day,foot,tooth的复数. tooth tooth tooth pool pool pool 写出下类个名词的复数形式1 a woman2 a man3 one foot 4 one tooth one foot→two feet one tooth→ten t_ _th one foot 变成two feetone goose变many g se one tooth变tan t th woman,man,foot,tooth,goose,mouse,sheep,deer,potato,shelf,dady的复数形式 foot,tooth复数都变oo为ee,那么book,room怎么不变? 将foot,sheep,goose,tooth,photo,tomato,potato,butterfly,boy,hores,people,mouse改为复数形式 复数形式 ball game card baby boby family postman sheep tooth foot child mouse tooth、foot、life、knife、hobby、piano、half、party的复数形式急急急