题目内容：
It's twelve o'clock, I think I must be off now.Oh,really? I it at all.
A don't realize
B haven't realized
C didn't realize
D hadn't realized
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：It's twelve o'clock, I think I must be off now.
- 题目分类：河南理工大学-会计-大学英语3
- 题目类型：选择题
- 号外号外：注册会员即送体验阅读点！
Oh,really? I it at all.
A don't realize
B haven't realized
C didn't realize
D hadn't realized