三分之二是two-third还是two-thirds?

三分之二是two-third还是two-thirds? 英语分数表示方法三分之二,two thirds一定是对的,但是我要是加连字符呢?是two-thirds还是two-third? two to two to two two翻译到底是two to two to two two还是two to two to two? 82.__of the students are girls and the rest _boys.A.Two third;isB.The two third;areC.Two thirds;areD.Two thirds; is【这个two thied 是三分之二 这个 the rest 不是说一群嘛 代表集体不是应该单数滴么?】 是TWO HUNDRED 还是 TWO HUNDREDS ? 是two more 还是 more two ? 是two hundred还是two-hundred two-thirds 还是two-third?小短横之间复数也要加s吗?请高手回答. two third和two-thirds区别甚么时候用two third甚么时候用two-thirds Nowadays ____of business letters are written in English.A .two third B .two thirds 选什么two thirds可以变成two-third吗?21世纪报里选two-third是正确的吗 英语三分之二有些人说：2/3英文若是two-third,就不能+s,是否属实?two thirds要+s，但如果有横线还要+吗？ two hands 还是 two hand 英语翻译是 peel the two oranges还是peel two oranges 是two pairs shoe还是two pair shoes 是two exercise books还是two evercises books 是one or two year还是one or two years 两周用英语是说two weeks还是two weeks' 要表示两个家人,是two family还是two families