She ought to ________ my letter a week ago. But she was busy with her work at that time.

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问题 She ought to ________ my letter a week ago. But she was busy with her work at that time.

选项 A、have answered
B、answering
C、answer
D、be answered

答案A

解析 ought to have done sth.过去应该做某事,但没有做。句意:他一周前就该给我回信了,但是那时候他在忙于工作。
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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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