Задайте вопросы к предложениям 1 - the children are listening to their teacher 3 - a man is selling ice-cream in the park 4 - the birthday boy is opening his presents 5 - the girls are dancing 6 - the pupils are talking

1-Are the children listening to their teacher?
2-Is a man selling ice-cream in the park?
3-Is boy opening his present?
4- Are the girls dancing?
5-Are the pupils talking?