◎ 题干
______ with the difficulty, he doesn't know _____ to do.  
[     ]
A. to face, how  
B. facing, what    
C. faced, what  
D. facing, what
◎ 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“______ with the difficulty, he doesn't know _____ to do. [ ]A. to face, how B. facing, whatC. faced, what D. facing, what…”主要考查了你对  【连接代词】【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。