◎ 题干
—  Look at the sign on the right.            
—  Oh, smoking ____ here.  
[     ]
A. doesn't allow    
B. isn't allowed    
C. didn't allow      
D. wasn't allowed
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“— Look at the sign on the right.— Oh, smoking ____ here. [ ]A. doesn't allow B. isn't allowed C. didn't allowD. wasn't allowed…”主要考查了你对  【一般现在时的被动语态】  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。