When I was at school, I _______ up very late, reading story-books.A．used to stay

题干

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

上一题下一题 0.4难度单选题更新时间:2018-02-28 07:18:03

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