Open the brackets and use the proper tense.
1. When he (arrive), I (live) in London for a week.
2. We (read) while he (eat).
3. When Jack (phone) me, I (write) a letter.
4. When my friend (come), I (do) an exercise for an hour.
5. The library (close) by the time I (get) there.
6. I (drive) when I (hear) the news on the radio.
7. They always (have) loud parties which (go on) till early hours.
8. We (walk) for some hours before we (realize) that we (close) our way.
9. No sooner I (complain) that I (not hear) from them for a long time than the letter (come).
10. The concert was a great success. When the pianist (finish) his part, the audience (applaud) the orchestra for some minutes.

1. When he arrived,I had been living in London for a week.2. We were reading while he was eating.3. When Jack phoned me, I was writing a letter. 4. When my friend came, I had been doing an exercise for an hour.5. The library had closed by the time I got there.6. I was driving when I heard the news on the radio.7. They always have loud parties which go on till early hours. 8. We had been walking for some hours before we realized that we had closed our way. 9. No sooner I complaine that I hadn't heard from them for a long time than the letter came.10. The concert was a great success. When the pianist finished his part, the audience had been applauding the orchestra for some minutes.