When I was at school, I _______ up very late, reading story-books. A. used to stay B. used to stayin...
2022-11-02 20:02:38 55次 2017-2018学年度第一学期九年级英语Units 140道单项选择训练 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
When I was at school, I _______ up very late, reading story-books.
A. used to stay B. used to staying C. was used to stay D. am used to staying
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