问题补充:
We first met on a train in 2000.We both felt immediately that we each other for years.
A. knew
B. have known
C. had known
D. know
答案:
A. knew
B. have known
(答案→)C. had known
D. know
解析:考查时态。句意:在2000年我们第一次在火车上相见,我们都立刻感觉到我们多年前已经认识了。根据句中时态用一般过去时,可知用过去的过去,即过去完成时,选C。