=>
6. This is the place where the accident occurred.
7. 7:05 is the time when my plane arrives.
8. I'll show you the second-hand bookshop where you can find valuable books.
9. The reason why I'm phoning you is to invite you to my party.
10. The professor whose course I'm taking is excellent.
11. I recently went back to Paris where I was born nearly 50 years ago.
12. That man, whose name I don't remember, is an artist.
Where -> đtqh chỉ nơi chốn
When -> đtqh chỉ thời gian
Why -> đtqh chỉ lý do
Whose -> đtqh thay thế tính từ sở hữu