◎ 题干
He secretly _____ her _____ the keyhole.
[     ]
A. looked at; across                      
B. looked; through
C. watched; over                                  
D. spied on; through
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He secretly_____her_____the keyhole.[ ]A. looked at; acrossB. looked; throughC. watched; over D. spied on; through…”主要考查了你对  【介词和介词短语】【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。