Какому промежутку принадлежит число - 1,2
а) (-2; 4,3) б) (-1; - 1,2)​

1) Do our students go to exhibitions regularly? общий
Who go to exhibition regularly? вопрос к подлежащему
where do our students go regularly? специальный
do our students go to exhibitions regularly, don't they? разделительный
do our students go to exhibitions or to fairs regularly? альтернативный

2) were their children playning computer games yesterday from 5 till 6 pm?
who were playning computer games yesterday from 5 till 6 pm?
when were their children playning computer games?
were their children playning computer games yesterday from 5 till 6 pm, weren't they?
were their children playning computer games yesterday or two days ago from 5 till 6 pm?

1) Our students go to exhibitions regularly.
1. Do our students go to exhibition regularly?
2. Our students go to exhibitions regularly, don't they?
3. When do our students go to exhibitions?
4. Do our students go to exhibition regularly or sometimes?
5. Who does goes to exhibitions regularly?

2) Their children were playing computer games yesterday from 5 till 6 p.m.
1. Were their children playing computer games yesterday from 5 till 6 p.m.?
2. Their children were playing computer games yesterday from 5 till 6 p.m., weren't they?
3. How long were their children playing computer games?
4. Their children were playing computer games yesterday or last week from 5 till 6 p.m.?
5. Who were playing computer games yesterday from 5 till 6 p.m.?