◎ 题干
The old man used _____ in front of his house and he has got used to _______ like that.  
[     ]
A. to sit; doing          
B. to sitting; do  
C. to sit; do              
D. to sitting; doing
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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 old man used _____ in front of his house and he has got used to _______ like that. [ ]A. to sit; doing B. to sitting; do C. to sit; doD. to sitting;…”主要考查了你对  【动名词】【不定式】  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。