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问题: 英语

We won't come back until we ___ the work.
A. shall finish B. have finished
C. will finish D. finish
答案选D为什么

解答:

在以 when, until, after, before, as soon as, once, the moment/the minute, the day引导的条件状语从句中
主句用将来时, 从句要用一般现在时
所以选D