1. The man whose opinions I respect most is my father
2. Mary and Margaret, whom you met yesterday, are twins
3. This doctor , whom you visited yesterday, is famous
4. The man at whom I shouted didn't come back again
5. The television which I dropped never worked again
6. The machine which i hired was broken
7. The clothes which she bought were very beautiful
8. The wall which they built fell down after three weeks
9. The policeman who I asked wasn't very helpful
10. I didn't really like the car which we bought
11. I lost the money which I borrowed from John
12. This doctor , whom you visited yesterday, is famous
XIN HAY NHẤT^^