◎ 题干
— Listen, there is some strange noise.This machine must be________.
— I think so.You must have it checked.
[      ]
A. out of order  
B. out of date
C. out of sight  
D. out of control
◎ 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“— Listen, there is some strange noise.This machine must be________.— I think so.You must have it checked. [ ]A. out of orderB. out of dateC. out of sightD…”主要考查了你对  【介词和介词短语】  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。