Нужно подставить слова в скобках по временам. Срочно!!!!!
6. I (drive) home when I (hear) the news on the radio
7. They always (have) loud parties which (go on) till the early hours
8. We (walk) for some hours before we (realize) that we lose our way
9. No sooner I (complain) that I not (hear) from for a long time than the letter (come)

6-was driving,heard

7-have,go on

8-had walked,realized

9-had complained,heard,come