◎ 题干
You are too late. The film ______ since half an hour ago.
[     ]
A. has begun    
B. has been on      
C. began    
D. begins
◎ 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“You are too late. The film ______ since half an hour ago. [ ]A. has begun B. has been onC. beganD. begins…”主要考查了你对  【现在完成时】  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。