Viết lại câu mệnh đề quan hệ rút gọn

viết lại câu mẹnh đề quan hẹ rút gọn
6 you are the last person who saw her alive
7the pilot was the only one who survived the air crash
8 all students who don't hand in their papers will fail the exam
9 I saw many houses that were destroyed by the storm
10 he was the second man who was killed in this way