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—Where is your father?
— He Shanghai on business.
A. has gone to B. has been to C. has been in

解析試題分析：has / have gone to...去了某地，強調該人不在說話地點；has / have been to... 曾經去過某地，強調有過去某地的經歷。句意：你父親在哪？他去上海出差了
考點：考查動詞時態。

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