1. Dan (fell) off the tree while he (was rescuing) the cat.
2. Last night I (was reading) in the bed when I suddenly (heard) a voice downstairs.
3. (Were you/having ) a bath when I (phoned) you?
4. They (were waiting) for a taxi when I (arrived) .
5. I (was not/driving) very fast when I (saw) her.
6. I (broke) a plate last night. I (was doing ) the washing-up when it (slipped) out of my hand.
7. Bob (was sleeping) when I (called) .
8. We (did not/go) out because it (was raining) .
9. What (were you/doing) at this time yesterday?
10. We (saw) Amanda in the gallery. She (was wearing) her new necklace.