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 ---我們什么時(shí)候?qū)⒅匦麻_始我們的生意？
----直到我們完成我們的計(jì)劃，我們才重新開始我們的生意．

解答 答案D．本題主要考查動(dòng)詞時(shí)態(tài)．在狀語(yǔ)從句中，經(jīng)常用一般現(xiàn)在時(shí)表將來(lái)時(shí)，用現(xiàn)在完成時(shí)表將來(lái)完成時(shí)．此處為 until 引導(dǎo)的時(shí)間狀語(yǔ)從句，故用現(xiàn)在完成時(shí)，選 D．

點(diǎn)評(píng) 時(shí)態(tài)題的考查關(guān)鍵是抓住句子的上下文含義和句中的時(shí)間狀語(yǔ)．要根據(jù)時(shí)間狀語(yǔ)來(lái)選擇合適的時(shí)態(tài)，在平時(shí)的學(xué)習(xí)中要注意積累有關(guān)時(shí)態(tài)的用法和各種時(shí)態(tài)的特殊之處．

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