Поставьте следущие предложения в вопросительную форму: 1.he works with his friend.2.we listen to the radio at 8 o'clock.3.the teacher asks us questions.4.the artist help us to paint the poster.5.she goes to the i nstitute on week-days.

Does he work with his friend?
Does he listen to the radio at the 8 o'clock?
Does the teacher ask us a question?
Does the artist help us to paint a poster?
Does she go to the Institute on week-days?