◎ 题干
Food supplies in the floodstricken area ________.  We must act immediately before there's none left.    
[     ]
A. have run out                        
B. are running out    
C. have been run out                  
D. are being run out
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Food supplies in the floodstricken area ________.We must act immediately before there's none left. [ ]A. have run outB. are running out C. have been run ou…”主要考查了你对  【现在进行时的被动语态】  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。