◎ 题干
My aunt isn't here. She _____ Shanghai on business. She will be back in three days.
[     ]
A. went
B. has gone to
C. has been to
D. will go to
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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 aunt isn't here. She _____ Shanghai on business. She will be back in three days. [ ]A. went B. has gone toC. has been to D. will go to …”主要考查了你对  【实义动词】【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。