◎ 题干
—Come and join us, Jimmy!
—I’m sorry, but I’m really busy now. If  I           time, I would certainly go.
[     ]
A. have        
B. have had  
C. had        
D. will have  
◎ 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“—Come and join us, Jimmy!—I’m sorry, but I’m really busy now. If Itime, I would certainly go. [ ]A. have B. have had C. hadD. will have…”主要考查了你对  【虚拟语气句】  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。