◎ 题干
Are you _____ that you have never seen him before?
[     ]
A. cautious
B. optimistic
C. positive
D. delighted
◎ 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“Are you _____ that you have never seen him before? [ ]A. cautious B. optimisticC. positive D. delighted …”主要考查了你对  【形容词】  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。