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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
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----Did you _________ your friend when you were in Beijing?
---No. But I _________ my aunt’s during my stay there.

A.call on; called on B.call at; called at C.call on; called at D.call at; called on
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DidyouyourfriendwhenyouwereinB