Three years later another boundary was discovered that between the mantle and the Earth's crust.从句中怎么没谓语呢

用three years later造句 three years later the young man turned____experienced computer programmera.an b.a c./ d.the 请教three years later与three years ago的区别? three years later的意思?用于什么时态? Three years later Still love you这是什么意思. Three years later that young man ---------（become) a famous actor. Three years (){after later 选一个},she cold speak English fluently three years late有这种说法么?late later不都是副词么 Three years later that young man ____ (become) a famous actor (说明理由) Three years later he turned /became _ doctor分别填什么冠词?r three years ago ago修饰什么像three years later.later ago这样的副词修饰的是什么?修饰three years 好像不对,副词修饰不了名词,求ago到底修饰了什么! three years in her later years TEN YEARS LATER怎么样 years later,we still “三年后我要去悉尼”,这个“三年后”,是three years later,还是after three years?或者其它的短语? Years later,how an me?I will be happy?帮我下翻译下 . Mr wang has been an english teacher since three years ago.对since three years ago .提问