◎ 题干
He spoke slowly so that he could make himself      easily.     
[     ]
A.  understand      
B. understood    
C.  understanding    
D. to understand
◎ 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 spoke slowly so that he could make himselfeasily.[ ]A.understandB. understoodC.understandingD. to understand…”主要考查了你对  【过去分词】  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。