◎ 题干
The chair looks very old, but in fact it is very comfortable to _____.
[     ]
A. sit          
B. sit on    
C. be sat        
D. be sat on
◎ 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“The chair looks very old, but in fact it is very comfortable to _____.[ ]A. sitB. sit on C. be satD. be sat on…”主要考查了你对  【实义动词】【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。