第1个回答 2014-11-01
it has been 3 years since the last time we met.
追答望采纳,谢谢
第2个回答 2014-11-01
It is/has been three years since we last met .
第3个回答 2014-11-01
It is three years since we met last time.
第4个回答 2014-11-01
It has been 3years since we met last time.