——Itisalongtime

问题详情:

 ——Itisalongtime

 ——It is a long time _____I saw you last.

 ——Yes. And it will be a long time _____ we see each other again.

     A. when; before      B. after; when       C. since; before      D. since; until


【回答】

C

知识点:连词

题型:选择题