1. Just as we (leave) the room, we (hear) a noise. A car which (drive) across the road had had an accident.
2. When we (call) you yesterday you (talk) on the phone because we (not can) get through in any possible way.
3. All the family (have) a party while their house (burn), so they (know) until the police (telephone) them.
4. The man (shoot) his gun and the race .(start)