Giúp mk vs 
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24. The gorgeous picture ______ you are looking in the hall is very expensive.
A. on which B. at which C. in which D. for which

25. Da Lat, ______ I paid a visit last summer vacation, is extremely magnificent.
A. whose B. which C. where D. that

26. The moment ______ I knew the results of the art competition was one of the worst times in my life.
A. when B. why C. where D. which

27. The educated man is the man ______ expression is educated.
A. whom B. whose C. when D. why

28. She talked about the books and the authors ______ interested her.
A. who B. that C. which D. whom

29. She finally met the scientist ______ research has revolutionized modern medicine.
A. that B. whose C. who D. which

30. She listed three reasons ______ people got into debt.
A. what B. why C. which D. when
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