◎ 题干
I'm really shy and just don't know what to do in front of people. _______I don't know anyone there?     
[     ]
A.  What if      
B.  How if        
C.  What's up      
D.  Why
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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'm really shy and just don't know what to do in front of people. _______I don't knowanyone there?[ ]A.What if B.How if C.What's upD.Why…”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。