◎ 题干
You can’t imagine the difficulty he ____ into the cold river and saving the drowning girl.
[     ]
A. had to jump      
B. had jump          
C. had jumping  
D. had jumped
◎ 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“You can’t imagine the difficulty he ____ into the cold river and saving the drowning girl. [ ]A. had to jumpB. had jumpC. had jumpingD. had jumped…”主要考查了你对  【动名词】  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。