◎ 题干
As is often the _______, the housewife gives the house a thorough cleaning ________.     
[     ]
A. matter; every two days  
B. situation; each second day
C. same; each two days
D. case; every second day  
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“As is often the _______, the housewife gives the house a thorough cleaning ________. [ ]A. matter; every two daysB. situation; each second day C. same; ea…”主要考查了你对  【名词】【不定代词】  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。