一When shall we restart our business?
一Not until we our plan．
A. will finish
B. are finishing
C. are to finish
D. have finished
网友回答
A. will finish
B. are finishing
C. are to finish
(答案→)D. have finished
解析：考查动词时态。在状语从句中，经常用一般现在时表将来时，用现在完成时表将来完成时。此处为 until 引导的时间状语从句，故用现在完成时，选 D。意为“直到我们完成我们的计划，我们才重新开始我们的生意。