50. I've read ____ of the books.

A. no one　　　　　　　　　　　　 B. none

49. The teacher wanted to invite them ____ to the musical evening.

A. everybody　　　　 B. all

48. Does he speak English or Russian? He doesn't speak ____ .

A. either　　　　　　 B. neither　　 C. none　　　 D. all

47. There are two windows in the room. They ____ face south.

A. all B. both　　　 C. every　　　 D. either

46. ____ are very good.

A. Both they　　　　 B. The both boys

C. Both those boys　 D. Both of they

45. ____ like music.

A. the both girls　　 B. Both this girls

C. Both of them　　　 D. Both they

44. His parents are ____ English teachers.

A. all　　　　　　 B. both

43. He lent me a few books, but ____ of them are easy to read.

A. neither　　　　 B. none

42. He lent me two books, but ____ of them is easy to read.

A. both　　　　　　 B. neither

41. On ____ banks of the river there are trees and flowers.

A. either　　　　　 B. both