问题标题：
填空（英语（过去进行时）题如下.1.—Icalledyouyesterdayevening,buttherewasnoanswer.-Oh,I'msorryI（）dinneratmyfriend'shome2.mymother()whilemyfather()tv
问题描述：
填空（英语（过去进行时）题如下.
1.—Icalledyouyesterdayevening,buttherewasnoanswer.
-Oh,I'msorryI（）dinneratmyfriend'shome
2.mymother()whilemyfather()tv
郝双晖回答：
1、Oh,I'msorryI（washaving）dinneratmyfriend'shome.2、mymother(wasdoingthecooking)whilemyfather(waswatching)tv过去进行时就是用主语+was/were+doing结构.
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