◎ 题干
They ___ work in the day, but ___ at night.
[     ]
A. sometime, sometimes  
B. sometimes, sometimes  
C. some times, sometime  
D. sometime, some times
◎ 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“They ___ work in the day, but ___ at night.[ ]A. sometime, sometimes B. sometimes, sometimes C. some times, sometime D. sometime, some times…”主要考查了你对  【副词】  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。