◎ 题干
— Where can I see Tom?    
— I don't know where he is. He hasn't arrived ______. 
[     ]
A. still
B. already
C. yet
D. since
◎ 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“— Where can I see Tom?— I don't know where he is. He hasn't arrived ______. [ ]A. still B. already C. yetD. since…”主要考查了你对  【副词】  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。