SỬ DỤNG CÁC ĐẠI TỪ QUAN HỆ : WHO, WHOSE, WHOM, WHICH, THAT

SỬ DỤNG CÁC ĐẠI TỪ QUAN HỆ : WHO, WHOSE, WHOM, WHICH, THAT
17. He was born on the day. His father was away on that day.
18. I don't know the reason. She left school for the reason.
19. That car belongs to Mr. Clark. Its engine is very good.
20. This is Mrs. Jones. Her son won the championship last year