49. We can see now in a very general way the method ______the computer works.

A. in which　 　　　　　　　 B. by which　 　　　　 C. with which　 　　　　 D. on which

48. A lot of people applied for the job _______ was advertised, ______had the necessary qualifications.

A. once…who　 　　　　　　　　　　　　　　　　　　　　 B. where….most of who　

C. that … few of which　 　　　　　　　　　　　　　 D. which…few of　 whom

47. Yesterday we visited the City Museum, ______ I’d never been to before.

A. which　 　　　　　　　　　 B. where　 　　　　　　 C. that　　 　　　　　　　　 D. what

46. Ann bought a dress ______ didn’t fit her, so she took ______ back to the shop ______ she

bought it.

A. which…that …. that　　 　　　　　　　　　　　　 B. that…which…where

C. which…it… where　　 　　　　　　　　　　　　　 D. where…it…that

45. Why do you blame me for everything _____ goes wrong.

A. that　 　　　　　　　　　　 B. when　 　　　　　　 C. where　 　　　　　　　 D. who

44. The speed ______ light travels is said to be the maximum in the universe.

A. in which　 　　　　　　　 B. by which　 　　　　 C. from which　 　　　 D. with which

43. The architect’s task is to design buildings ______ are functional and beautiful.

A. where　　 　　　　　　　 B. which　 　　　　　　 C. in that　 　　　　　　　 D. with which

42. I was stuck by the limited use _______ their natural resources.

A. the Indians made of　　 　　　　　　　　　　　　　 B. which the Indians made　　

C. for the Indians to make of　　　 　　　　　　 D. for the Indians making of

41. They have started an investigation, _______are being kept secret.

A. the details of which　 　　　　　　　　　　　　　　　 B. which details　 　　 C. the details　 　　　 D. the details of that

40. Although violent , tornadoes are small storms ______paths aren’t usually more than a quarter

of a mile in width.

A. what　　 　　　　　　　　 B. where　　 　　　　　 C. that　 　　　　　　　　　 D. whose