Ответы и объяснения

2013-04-28T22:30:11+00:00

1) started, has had

2) has been waiting, missed

3) was, has never been

4) applied, hasn't had

5) has just finished, took

6) did you do, started, have revised

7) was, haven't had still

8) have been working
Вроде бы так