◎ 题干
—  Oh , it is already 9:00, but Tom is still in bed.
— He ______ late last night to watch the football match. 
[     ]
A. may stay up                  
B. must have stayed up        
C. could stay up                
D. should have stayed up
◎ 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“— Oh , it is already 9:00, but Tom is still in bed.—He ______ late last night to watch the football match.[ ]A. may stay upB. must have stayed upC. could st…”主要考查了你对  【情态动词】【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。