What must Bill do at eight o'clock? What must Bill do at three o'clock? What must Bill do at five o'clock on Fridays? What must Bill do at seven…

What must Bill do at eight o'clock? What must Bill do at three o'clock? What must Bill do at five o'clock on Fridays? What must Bill do at seven o'clocktoday? Помогите пожалуйста ответить правильно на вопросы