◎ 题干
He sat back on the chair, listening to the MP4 and ____ .    
[     ]
A. looking at ease              
B. looked at ease  
C. being looked at ease      
D. to look at ease
◎ 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“He sat back on the chair, listening to the MP4 and ____.[ ]A. looking at ease B. looked at ease C. being looked at ease D. to look at ease…”主要考查了你对  【现在分词】  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。