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1. Those are the books which he has just bought from the bookstore.
2. The book which was written by Jane Austen is very interesting.
3. The lady to whom I spoke an hour ago gave me good advice.
4. Is that the computer which your father bought last month?
5. That's the woman to whom Jim used to be married.
6. The students who are sitting in the front row are from China.
7. I like the girl whom I met at the party last night.
8. The boy who won the race yesterday is very happy.
9. The teacher liked the composition which/that she wrote last Monday.
10. The people whom we visited the two week ago are very friendly.
11. Her many friends, among whom I liked to be considered, gave her encouragement.