问题
选择题
一Isn't it a surprise that I happened to meet Francis Mathews at the Christmas party last week?
一If my memory serves me correctly, you _____ each other for exactly two years.
A．hadn't seen
B．haven't seen
C．didn't see
D．don’t see
答案
答案：A
考查动词时态。语境表示在上周见面之前有两年没见面，因此用过去完成时。