1. This is the house in which I lived two years ago.
2. Do you remember the day on which you joined our club?
3. I don’t know the reason for which he said so.
4. The picture for which he paid $100 was once owned by a king.
5. This is Tom Sawyer, of whom his teacher is proud.
6. Can you think of a situation in which this word can be used?
7. I’m grateful to him for that advice, to which I owed all my success.
8. They finally climbed up the mountain, on which many strange birds were seen.
9. These are books written by Mark Twain, one of which was read to me by my father.
10. She has many books, none of which is interesting.
