题目内容：
We __ our breakfast when an old man came to the door. A just have had B have just had C just had D had just had
参考答案：
选择题：We __ our breakfast when an old man came to the do
- 题目分类：统招专升本-----英语
- 题目类型：选择题
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A just have had B have just had C just had D had just had