◎ 题干
When I was young, I             have so much time,  but these days I             in school all day.            
[     ]
A. use to, stay                      
B. used to, stayed            
C. used to, stay                    
D. use to, stayed
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“When I was young,Ihave so much time,but these days I in school all day. [ ]A. use to, stayB. used to, stayed C. used to, stay D. use to, stayed…”主要考查了你对  【实义动词的过去式】【固定搭配】  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。