It will be at least three years we get to meet again.A. beforeB. afterC. sinceD. when

问题补充：

It will be at least three years we get to meet again.

A. before

B. after

C. since

D. when

答案：

(答案→)A. before

B. after

C. since

D. when

解析：考查连词。本题考查It + was /will be + time + before 多久之后+ sb /sth did/do ，选A。