1. I _______was going____________down the street when it begin to rain (go)

2. At this time last year, I _______was attending____________an English course (attend)

3. Jim ________was standing________ under the tree when he heard an explosion (stand)

4. The boy fell and hurt himself while he ________was riding_________ a bicycle (ride)

5. When we met them last year, they_____were living_________ in Santiago (live)

6. The tourist lost his camera while he_________was walking_______ around the city (walk)

7. The lorry ________was going_______ very fast when it hit our car (go)

8. While I _______was studying_____________in my room, my roommate _______was having____________ a party in the other room (study/ have)

9. Mary and I____have just left_______________ the house when the telephone rang (just leave)

10. We _______were sitting___________ in the café when they saw us (sit)