Ответы и объяснения

2013-09-17T16:51:47+04:00
Who was at the museum? - вопрос к подлежащему
Were you at the museum? - общий
Were you at the museum or at the theatre? - альтернативный
Where were you (yesterday)? - специальный
I was at the museum, weren't I? - разделительный