◎ 题干
— What's the matter with Andy ? He doesn't look very well.  
— He has a headache because he ______ too long; he ought to have stopped reading.
[     ]
A. had read    
B. is reading       
C. was reading    
D. has been reading
◎ 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“— What's the matter with Andy ? He doesn't look very well.— He has a headache because he ______ too long; he ought to have stopped reading.[ ]A. had readB…”主要考查了你对  【现在完成进行时】  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。