1. I haven't seen him **for** ages.
2. Maria hasn't played tennis **since** last summer.
3. Bob and I have been friends **for** years.
4. **Since** his birthday, Lars has been behaving rather strangely.
5. Mr Brown worked in New York **for** ten weeks.
6. They waited outside the cinema **for** half an hour.
7. Peter has been in this country **since** January 27th 2005.
8. We lived in Paris **for** a long time before moving to Brussels.
9. I've been waiting for the doctor **since** 4.30.
10. I'm sorry I haven't written **for** so long.