◎ 题干
— Is he coming?
— I'm not sure.He may be late or,____, he may not come at all.  

A. at present
B. at least
C. worse still
D. for a while
◎ 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“— Is he coming? — I'm not sure. He may be late or,____, he may not come at all.[ ]A. at present B. at least C. worse still D. for a while …”主要考查了你对  【插入语】  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。