they'll be at home at 10 o'clock,won’t they ? разделительный
will they be at home at 10 o'clock? общий
who will be at home at 10 o'clock? вопрос к подлежащему
when will they be at home? специальный
will they be at home or at school at 10 o'clock? альтернативный
they'll be at home at 10 o'clock,won’t they ? разделительный
will they be at home at 10 o'clock? общий
who will be at home at 10 o'clock? вопрос к подлежащему
when will they be at home? специальный
will they be at home or at school at 10 o'clock? альтернативный