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It will be quite a long time _______ she is back again, so don’t be too cross with her.
A.beforeB.since C.that D.until
A

试题分析:考查连词,since表示自从…;until直到…;时间段+ before,过了多久就……;before主要引导时间状语从句,意为“先于”“…之后才”“(不多久)就…”。当主句是将来时时,从句谓语动词须用现在时;当主句是一般过去时或过去完成时时,从句常用过去时。before引导的时间状语从句不能用于否定式。
点评:连词是高考常考内容,判断从句中用哪个连词,需要记住连词的用法,需要考生平时多练习,本题主要考查before的用法,要求考生掌握好它的用法
即学即练:We hadn’t been out for long _________ she felt sick.
A. as     B. while      C. after         D. before
选D
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