◎ 题干
—Who's on _____ duty today?
—Li Lei. But he isn't at _____ school today.

A. the, the
B. the, /
C. /, the
D. /, /
◎ 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“—Who's on _____ duty today? —Li lei. But he isn't at _____ school today. [ ]A. the, the B. the, / C. /, the D. /, / …”主要考查了你对  【零冠词】  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。