◎ 题干
—What if we don't follow the traffic lights or the traffic police?      
—It _______ dangerous.          
[     ]
A. has                        
B. could be          
C. can have                    
D. could have
◎ 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“—What if we don't follow the traffic lights or the traffic police? —It _______ dangerous. [ ]A. hasB. could be C. can haveD. could have…”主要考查了你对  【一般过去时】  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。