题目内容
【题目】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
【答案】A
【解析】试题分析:句意:当我上学时,我常常熬夜到很晚读故事书。过去常常做某事用used to do sth。故选A。
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