На 100% не уверена, но кажется так:
Is my sister a good pupil?
Do they have 3 lessons every day?
Is Mary translating the text from English into Russian?
Did he begin the experiments in 2003?
Does a doctor make a round of ward daily?
What does Dr. Hull head?
Who use laser to treat ulcers?
When did the scientists use the method?
Where did he come at once?
Did you go for an X-ray yesterday or day before yesterday?
Mary works hard at her Anatomy, doesn't she?
Children weren't at home, were they?