◎ 题干
Although police could be seen everywhere, they seemed to be searching the houses almost ________.
A.at easeB.at randomC.at riskD.at length
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Although police could be seen everywhere, they seemed to be searching the houses almost ________.A.at easeB.at randomC.at riskD.at length…”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。