◎ 题干
Mary couldn't go to the cinema with us because she had to _____ her little brother.

[     ]

A. look for
B. look after
C. look at
D. look into
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Mary couldn't go to the cinema with us because she had to _____ her little brother. [ ]A. look for B. look after C. look at D. look into …”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。