◎ 题干
— Do you want a lift home?
— It's very kind of you, but I have to work late in the office. I overslept this moming because my alarm clock _____.

A. doesn't go off
B. won't go off
C. wasn't going off
D. didn't go off
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Do you want a lift home? — It's very kind of you, but I have to work late in the office. I overslept this moming because my alarmclock _____. [ ]A. doesn'…”主要考查了你对  【一般过去时】  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。