Exercise 1: Put the verbs in the correct form: past simple/ past continuous 1. I lost my keys when I ________ (walk) home.  2. It was raining while we ________ (have) dinner. 3. I saw the department stores when I ________ (sit) on the bus. 4. Her phone rang while she ________ (talk) to her new boss.  5. My friends ________ (drive) to work when they heard the news on the radio.  6. I _______ (walk) down the street when it began to rain. 7. At this time last year, I _______ (attend) an English course. 8. Jim ________ (stand) under the tree when he heard an explosion. 9. While I _____ (study) in my room, my roommates ________ (have) a party in the other room. 10. Mary and I _________ (dance) the house when the telephone rang.