Употребите глаголы, данные в скобках, в past perfect. 1) i was sure that i (see) the man before. 2) i asked him why he (leave) the party so early. 3) it was clear that he (give) us the wrong address. 4) the teacher corrected the exercises which i (prepare). 5) he knew that he (make) a serious mistake. 6) she said she (look) everywhere for the book. 7) i felt that i (meet) the man somewhere before. 8) he wanted to know what (happen) to his briefcase.