Question

【题目】It's nice to see you again. We _________ each other since 2012.
A.don't see
B.haven't seen
C.didn't see
D.won't see

Answer 1

【答案】B
【解析】句意：再次见你很开心，我们自从2012年……彼此。结合句意可知此处是指一直没有见过，应该用现在完成时，have done，故选B。