问题描述：
这种选择疑问句怎么回答?
Had he just arrived by train or had she come on foot?回答是他做火车来的. Did he say :"i'm still having breakfast"or did he say,"i am still in bed?"回答是他正在吃早饭.
Had he just arrived by train or had she come on foot?回答是他做火车来的. Did he say :"i'm still having breakfast"or did he say,"i am still in bed?"回答是他正在吃早饭.
问题解答：
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