Отв
1) The teacher hasn't come yet. Has the teacher come?
2) You haven't looked through this material. Have you looked through this material?
3)He hasn't sold his cycle. Has he sold his cycle?
4) The postman hasn't brought the newspaper. Has the postman brought the newspaper?
5) I haven't been to Sochi this summer. Have I been to Sochi this summer?
6) Harry hasn't fallen asleep. Has Harry fallen asleep?
7) The children haven't had their breakfast. Have the children had their breakfast?