◎ 题干
Jack ________ to see his aunt if he _______ free tomorrow.  
[     ]
A. will come; will be                                
B. come; is  
C. will come; is                                    
D. comes; will be
◎ 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“Alice ______ to see her aunt if she ______ free tomorrow. [ ]A. will come; will be B. come; is C. will come; isD. comes; will be …”主要考查了你对  【一般现在时】【一般将来时】  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。