◎ 题干
— Bruce, you are late again!
—Oh, I'm sorry, sir. I _____ earlier, but the alarm clock didn't work.
[     ]
A. must have got up
B. could have got up
C. might have got up
D. should have got up
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Bruce, you are late again!—Oh, I'm sorry, sir. I _____ earlier, but the alarm clock didn't work. [ ]A. must have got up B. could have got upC. might hav…”主要考查了你对  【虚拟语气】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。