Put in during or while.
- We met a lot of people while we were on holiday.
- We met a lot of people during our holiday.
- While we were in Paris, we stayed at a very comfortable hotel.
- During our stay in Paris, we visited a lot of museums and galleries.
- The phone rang three times while we were having dinner.
- The phone rang three times during the night.
- I had been away for many years. During that time, many things had changed.
- What did they say about me while I was out of the room?
- Jack read a lot of books and magazines while he was ill.
- I went out for dinner last night. Unfortunately, I began to feel ill during the meal and had to go home.