Помогите пожалуйста очень срочно нужно

2. Have your parents ever gone to a music festival?
No, they haven't

3.Has she heard of the escape artist Houdini?
No, she hasn't

4.Have the students finished their art project?
Yes, they have

5. Have you and your friend ever seen a famous band?
Yes, we have

6. Have you listened to their new CD?
No, I haven't