46) The boy ____ you made fun of yesterday is my cousin. A. who B. whom C. that D. All are correct 47)Ann, ____ lives next door, is very friendly. A. who B. whom C. that D. All are correct 48) We went to Sandra’s party, ____ we enjoyed very much. A. which B. whom C. that D. who 49) John, ____ I have known for a very long time, is one of my closest friends. A. whose B. whom C. that D. B & C are correct 50) Sheila, ____ job involves a lot of travelling, is away from home a lot. A. whose B. whom C. that D. which 51) This new stadium, ____ can hold 90,000 people, will be opened next month. A. that B. whose C. which D. A & B are correct 52) My brother, ____ lives in Houston, is a doctor. A. who B. whom C.that D. A & B are correct 53) My office, ____ is on the second floor, is small. A. whose B. which C. who. .D. A & B are correct 54) She told me her address ____ I wrote down on a piece of paper. A. which B. that C. whose D. A & B are correct 55) The sun, ____ is one of millions of stars in the universe, provides us with heat and light. A. which B. that C. who D. A & B are correct