1. Mr. Brown,WHO is only 34, is the director of this company.
2. I know a place WHERE roses grows in abundance.
3. It was the nurse WHO told me to come in.
4. The teacher with WHOM we studied last year no longer teacher in our school.
5. They showed me the hospital OF WHICH buildings had been destroyed by US bombings.
(câu này là sở hữu của vật nên dùng Of which)
6. We saw many soldiers and tanks THAT were moving to the front.
(có cả người và vật thì dùng That nhak !)
7. Dr. Fleming, WHO discovered pencillin, was awarded the Nobel Prize for medicine in 1945.
8. He joined the political party WHICH was in power.
9. Love, WHICH is a wonderful feeling, comes to every one at some time in his life.
10. Freedom is something for WHICH millions have given their live.
11. It is easy to find faults in people WHOM we dislike.
12. The really happy people are those WHO enjoy their daily .
13. We must find a time WHEN we can meet and a place WHERE we can talk.

1.Let me see all the letters…which..you have written.
6. The teacher with…whom.we studied last year no longer teaches in our school.
5. It was the nurse…who….told me to come in.
7. They showed me the hospital…of which…buildings had been destroyed by US bombing
8. We saw many soldiers and tanks…who..were moving to the front.
11. Love,which…..is a wonderful, comes to everyone at some time in his life.
12. Freedom is something for…which…millions have given their lives
14. The really happy people are those …who…enjoy their daily work.
15. We must find a time…which…we can meet and a place…where..we can talk.