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1. The bus which doesn't stop at the hospital goes up Hung Vuong street.
2. My younger brother is lazy, which annoys his teachers.
3. The fashion show which was carefully prepared went on for three hours.
4. Last week we cut down the plant which had died.
5. Phong usually comes to class late, which makes his form teacher angry.
6. My friend decided to choose the red motorcycle which he had wanted before.
7. Next Saturday my brother will have to visit the doctor again, which he hates.
8. Oanh works very hard and always gets good marks, which pleases her parents a lot.
9. They are talking about Nam who is very interested in math.
10. Mr. Quang has a lot of money, which puts him in trouble with his friends.
Which -> đtqh chỉ người/thay thế cả mệnh đề
Who -> đtqh chỉ người