thirty-five years old中five和years 之间不用加连字符吗?一般不是说"thirty-five-years old" 吗?

Thirty five years ago和Thirty five years before有什么区别?不解.. thirty-five years old中five和years 之间不用加连字符吗?一般不是说thirty-five-years old 吗? five thirty-five的意思 five thirty-five翻译汉语 five thirty-five的中文 thirty past five【是什么意思】 thirty five序数词 There are thirty-five thirty-five hamburgers是什么意思 thirty-five单词是什么意思 thirty five的过去式 35应当写作thirty-five还是thirty five? She must be at least thirty-five years old.In my opinion she() a.has b.is c.must 为什么? she must be at least thirty five years old.in ma opinion she____a:has b:is c:can d:must Tom is a student.His mothet is（）years old.A eleven B twelve C thirty-six D five 判断正确 Mary is Tom is sister Jim is five years ol判断正确Mary is Tom is sisterJim is five years oldJim and Tom are in the same classJim can speak ChineseMar is father works in a school 为什么是thirty years ago 而不是thirty years before? CODA THIRTY YEARS AFTER怎么样