◎ 题干
My newly-purchased magazine is nowhere to be found. ____ I left it on the train?  
[     ]
A. Must          
B. Should          
C. Would          
D. Could
◎ 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“My newly-purchased magazine is nowhere to be found. ____ I left it on the train? [ ]A. Must B. Should C. WouldD. Could…”主要考查了你对  【情态动词】  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。