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2.  We won't start the work until all the preparations    

A.    are being made

B.    will be made

C.    have been made

D.    had been made

2.    C考査动词的时态和语态。句意:直到所有的准备工作都做完了 ,我们才开始工作。根据主句中的关键词won't start (不会开始)是一般将来时,可知until引导的从句用一般现在时代替一般将来时。如无一般现在时,可用现在完成时代替一般将来时,强凋从句动作的完成性。

题目来源:2015全品语法快练高中英语新课标 > 训练14 动词的时(语)态和主谓一致

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