◎ 题干
The custom of only sending sons to school has _______ in China nowadays.
[     ]
A. broken up      
B. died out
C. dug out
D. sorted out
◎ 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“The custom of only sending sons to school has _______ in China nowadays. [ ]A. broken upB. died outC. dug outD. sorted out…”主要考查了你对  【动词短语】  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。