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12.一When shall we restart our business?
一Not until we       our plan.(  )
A.will finishB.are finishingC.are to finishD.have finished

分析 ---我们什么时候将重新开始我们的生意?
----直到我们完成我们的计划,我们才重新开始我们的生意.

解答 答案D.本题主要考查动词时态.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.

点评 时态题的考查关键是抓住句子的上下文含义和句中的时间状语.要根据时间状语来选择合适的时态,在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处.

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