【正文】
k German _________ he was in Berlin.9. Henry is in charge of the office ________ Mr. Smith is away. 10. I listen to the recorder _________ I have time. 11. He had learned Chinese _________ he came to China. 12. _________ the work was done, we sat down to sum up experience. 13. I haven39。t seen him _________ he moved to the other side of the town. 14. I waited ________ he came back. 15. It was not ________ he took off his eyeglasses that I recognized him. 16. She likes everything to be in place ________ she starts to work. 17. The thieves ran away _________ they caught sight of the police. 18. They decided to go back home _________ their money ran out. 19. We played outside till sunset, _________ it began to rain。20. __________ I get to the airport, I will phone you to pick me up. 21. They were about to leave ______ it began to rain. 22. He always stay in bed ______ lunch time. 23. I like playing tennis _________ my younger sister prefers watching ball games. 24. _________ I understand your viewpoint, I don’t agree with you. 25. _______ she grew older, she became more responsible. Key1. When 2. While / When 3. as 4. when/as 5. when 6. when 7. when 8. while 9. while 10. whenever 11. before 12. After 13. since 14. till/until 15. until 16. before 17. as soon as 18. before19. when 20. As soon as 22. until 23. while 24. While 25. As