◎ 题干
—I have a birthday party this evening. Are you free?
—Yes, I am.
A.Are...busy B.Do...have time C.Are...great D.Do...have homework
◎ 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“—I have a birthday party this evening. Are you free? —Yes, I am.A.Are...busyB.Do...have timeC.Are...greatD.Do...have homework…”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。