1. Ann: What (you/do) yesterday at 9 o'clock?
Bill: I (have) tea with my wife.
2. When I (see) her, she (wear) very extravagant clothes.
3. They (already/sleep) when I (phone) them. It (be) a bit late.
4. When he (open) the door a policeman (come into) the room and (see) that the people (dance) . He (tell) them to turn the volume down if they (want) to continue with the party.
5. While we (walk) along the path, a cow (appear) in front of our car and we (have to) stop.
6. We (wait) in the hotel until the guide (come) . Then we (start) the visit to the caves.