◎ 题干
Tom _____ not be murderer (凶手) because I saw he was at other place at that time(在那时).
[     ]
A. must    
B. can    
C. is    
D. will
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Tom_____ not be murderer (凶手) because I saw he was at other place at that time(在那时).[ ]A. must B. can C. is D. will…”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。