◎ 题干
—Hello!Amy,could you come to my birthday party?
--I’d love to,but my grandmother is ill.I have to      her.
A.look at    B.look  after        C.look up
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Hello!Amy,could you come to my birthday party? --I’d love to,but my grandmother is ill.I have to her.A.look atB.look after C.look up…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【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。