1. Everyone was talking but stopped (then/the moment) Mr Smith entered the room.
2. I lived in Glasgow (until/by the time) I was fourteen.
3. (While/Once) I was chewing a piece of meat, my tooth fell out.
4. James always let me know (at the time/whenever) he was going to be late.
5. Now, Mr Star, what were you doing (between/by) ten and ten thirty last night?
6. It wasn't (until/up to) last year that they could afford to buy a car.
7. I was sitting at my report (by 5p.m./at 5p.m.).
8. (When/While) I got to the cinema Jack was waiting for me.
9. He was drinking quite a lot (these days/those days).
10. (When/During) I was shopping I met Max, my sister's boy-friend.