nine-year-old算一个单词还是三个单词

nine-year-old算一个单词还是三个单词 英语 8 year-old算是一个单词还是? 英语翻译18-year-old看成一个单词吗？ two( )twins. A. nine-years-old B. nine-year-old C. nine year __l__每条横线上填一个字母,组成单词（要三个）例如：old September is the_____ (nine)mouth of the year.用所给单词的正确形式填空. danny old is nine years这几个单词怎么组成一句话 Jane is a y_____ girl .She is only nine years old.在空格上补充单词 根据句意,填写单词1.Tom is nine years old.Today is his________ birthd 用一个单词表示twice a year old加一个字母是什么单词 Maria is a nine-year-old girl.(改为同义句)