Nearly a week passed before the girl was able to explain what______to her.

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问题 Nearly a week passed before the girl was able to explain what______to her.

选项 A、had happened
B、happened
C、happen
D、would happen

答案A

解析 主句是过去时,what引导的宾语从句中谓语动词happen所表示的动作发生在pass这一动作之前,即发生在“过去的过去”,所以应用过去完成时。故选A。
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本试题收录于: 英语题库普高专升本分类
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