英语中“八年前”用eight year ago 还是ago eight year?

eight years ago英语作文 “一年前”翻译成英语应该是a yearr ago 还是one year ago?一月前呢 是a eight-year-old 还是an eight-year-old 英语问题an还是a eight-year-old boy on a year ago 还是in a year ago 英语中前年怎么表示?Two year ago?The year before last year? most recently eight years ago a eight-year-boy还是an eight-year-boy请高手解答, 2008年英文是two thousand eight year还是two thousand and eight year half a year ago. One Year Ago 歌词 eight years和eight-year-old和eight-years-old和eight year old