◎ 题干
Now one of the most serious problems many people are worried about _____ on the lack of adequate housing
space.
[     ]
A. insists
B. depends
C. agrees
D. focuses
◎ 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“Now one of the most serious problems many people are worried about _____ on the lack of adequate housing space. [ ]A. insists B. depends C. agrees D. focuse…”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。