24. The fifth man _______ was entirely unsuitable. A. to interview B. to be interviewed C. interviewing D. interviewed 25. The man________ to John is from Korea. A. who talking B. talking C. talked D. to talk 26. Ben Tre, ________ is in the South of Vietnam, has a lot of coconuts. A. which B. where C. whom D. whose 27. These are the ancient houses which were built a long time ago. The underlined part can be replaced by: A. built B. to build C. building D. build 28. I like Paris,_________. a. where my sister is living b. in which my sister is living c. which my sister is living in d. All are correct 29 .I’m working on a firm________.main office is in London. a. which b. that c. whose d. a & b are correct 30.I think the reason _____________we get on so well is that we both enjoy talking. A. why B. which C. that D. what 31. Children ._________diets contain high levels of protein do better in examination. A. who B. who C. whose D. Ø