◎ 题干
—I hear the famous singer Xu Song may come to Ningbo next month.
—Really? _____ he comes, my younger sister will be very excited.
[     ]
A. If        
B. Until        
C. Unless      
D. Before
◎ 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 hear the famous singer Xu Song may come to Ningbo next month.—Really? _____ he comes, my younger sister will be very excited.[ ]A. If B. Until C. Unless…”主要考查了你对  【从属连词】  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。