--- Yes, he told me all _______ he knew.

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

42. I shall never forget those years _______ I lived on the farm with

the farmers, _______ has a great effect on my life.

A. when; who B. that; which C. which; that D. when; which

43. The number of the people who _______ cars _______ increasing.

A. owns; are B. owns; is C. own; is D. own; are

44. During the days ________, he worked as a servant at the Browns.

A. followed B. following C. to follow D. that followed

45. Is oxygen the only gas _______ helps fire burn?

A. that B. / C. which D. it

46. The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.

A. which; what B. through which; what C. through that; what D. what; that

47. Is _______ some German friends visited last week?

A. this school B. this the school C. this school one D. this school where

48. John got beaten in the game, _______ had been expected.

A. as B. that C. what D. who

49. I have bought two ballpens, _______ writes well.

A. none of them B. neither of them C. neither of which D. none of which

50. All that can be eaten _______ eaten up.

A. are being B. has been C. had been D. have been