是two hundred还是two-hundred

是two hundred还是two-hundred 是TWO HUNDRED 还是 TWO HUNDREDS ? two hundred 后要不要加s啊?是two hundred 还是two hundreds? 200是two hundred还是two hundreds啊 Each of us has to write a two-hundred-wor是two-hundred-word 还是two-hundred-words 2800的英语是two thousand eight hundred 还是two thousand and eight hundred ? hundred后面可以加s吗例如：one hundred,那到底是“two hundred”,还是“two hundreds”呢? 1200的英语是one thousand two hundred还是one thousand two hundreds? 是two hurdred还是two hundreds最好详细介绍一下hundred 表示年龄的英文如果说年龄.是 two hundred years old 还是 two hundred year old 呢.为什么. two hundreds students还是two hundred of students two hundreds of students还是two hundred of students 是数字223,two hundred and twenty-two thousand two hundred and twenty-nine two hundred后是不可数名词怎么办 two hundred and fifty six 还是two hundred ,fifty six不清楚要不要用and 两百人 是说 two hundred people 还是 two hundred persons?是 how many people 还是persons are there in the park two-month与two months的区别.two hundred of后接单数还是复数. two hundred thousand 是多少?