1. It ________ (start) to rain while she __________ (water) the flowers in her garden.
2. When I _______ (open) the door, it _________ (rain).
3. While Henry _______(have) a drink at the bar, his wife __________ (swim) in the sea.
4. He ________ (hear) a loud bang while he ___________ (talk) to his friend.
5.. What ______________(they/do) at 10pm last night - it was really noisy?