Nearlyamonthhadgoneby_________she

发布时间：2020-07-26 02:27:43

Nearly a month had gone by _________ she showed some sign of giving in to his demand．A.untilB.beforeC.sinceD.after

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B解析从时态来看，主句的谓语动词发生在从句谓语动词之前，应用before。
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