—When are you leaving for Chicago?—As soon as we the project.A. are completingB. complete

问题补充：

—When are you leaving for Chicago?

—As soon as we the project.

A. are completing

B. completed

C. will complete

D. complete

答案：

A. are completing

B. completed

C. will complete

(答案→)D. complete

解析：D 考察动词时态。句意：—你们打算什么时候去芝加哥？—我们一完成这个项目就去。As soon as引导时间状语从句，主句用将来时，从句使用一般现在时代替将来时。故D正确。