◎ 题干
If you don't know how to spell new word,           in a dictionary.
[     ]
A. look them up                  
B. look they up
C. look up them                  
D. look up they
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“If you don't know how to spell new word, in a dictionary.[ ]A. look them upB. look they upC. look up themD. look up they…”主要考查了你对  【动词短语】  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。