1)How do you get accepted into Yale University? 2) Have you worked today? 3) Has she asked the teacher about the homework? 4) Has he included in this list, George? 5) Have they opened the classroom*s door? 6) Had you watched this movie already? 7) Had they protected the nature or not? 8) How do you get exposed to dangerous substances? 9) Had you exhibitted your composition? 10) Had you helped your friend at maths?
