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I ______ the time ______ so quickly.
A.didn’t realize; had passedB.don’t realize; passed
C.haven’t realized; passedD.hadn’t realized; had passed
A

试题分析:句意:我没有意识到时间过得那么快。“没有意识到”这个动作发生在过去,而“时间过得那么快”是发生在“没有意识到之前”因此,用过去完成时。
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