◎ 题干
--Can you see your sister      the window?      
--Yes, she is doing her homework in the room.
[     ]
A. down  
B. across  
C. through  
D. straight
◎ 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“--Can you see your sisterthe window?--Yes, she is doing her homework in the room.[]A. down B. across C. through D. straight…”主要考查了你对  【介词】  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。