◎ 题干
—The project has been held up by a sudden change in temperature for a week.
—I'm afraid the terrible weather will________for some time.
[     ]
A. keep back  
B. keep up
C. keep out  
D. keep on
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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 project has been held up by a sudden change in temperature for a week.—I'm afraid the terrible weather will________for some time.[ ]A. keep backB. keep…”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。