◎ 题干
The chair looks rather hard, but in fact it is very comfortable to _______.   
[     ]
A. sit  
B. sit on  
C. be sit  
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 rather hard, but in fact it is very comfortable to _______.[ ]A. sit B. sit on C. be sit D. be sat on …”主要考查了你对  【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。