◎ 题干
My mother is at work. I have to        my grandma at home.      
[     ] 
A. look out
B. look up
C. look after
D. look around
◎ 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“My mother is at work. I have tomy grandma at home.[ ]A. look outB. look upC. look afterD. look around…”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。