◎ 题干
—I hear Jack Chan will come to Laiwu next week.
—Really? ______ he comes, my younger sister will be very happy.
[     ]
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n多题专家分析,试题“—I hear Jack Chan will come to Laiwu next week. —Really? ______ he comes, my younger sister will be very happy. [ ]A.If B.Until C.Unless D.Before …”主要考查了你对  【从属连词】【状语从句】  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。