◎ 题干
— Hello, may I speak to Mr. Smith?
— Sorry, he isn't in. He _____ the office.   
[     ]
A. has been to                
B. has gone to            
C. has been away
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Hello, may I speak to Mr. Smith?— Sorry, he isn't in. He_____ the office.[ ]A. has been toB. has gone toC. has been away…”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。