Альтернативные вопросы:
1) Does she like watching TV or listening to the radio?
2) Is her brother older or younger than she?
3) Does he go to extra classes or stay at home?
Разделительные вопросы:
1) She doesn't like watching TV, does she?
2) Her brother is older than she, isn't he?
3) He doesn't go to extra classes, does he?