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英语
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I have been to Beijing.
have been不是相当于am吗,
那这句就是I am to Beijing,怎么看怎么不对啊.
人气：164 ℃ 时间：2020-03-17 13:31:53
解答
I have been to Beijing.我到过北京.
have been不是相当于am.
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