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外语
She was so interested in the book that she (read) ______ it for three hours before she realized it.
She was so interested in the book that she (read) ______ it for three hours before she realized it.
admin
2010-06-03
100
问题
She was so interested in the book that she (read) ______ it for three hours before she realized it.
选项
答案
had read
解析
此处空格表示动作发生在before引导的从句中realized的动作之前,所以应该用其过去完成时。
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本试题收录于:
大学英语三级A级题库大学英语三级分类
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大学英语三级A级
大学英语三级
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