56. A. produce                     B. are produced             C. make                D. are made

55. A. At that time        B. from now on            C. since then          D. since now

54. A. between              B. with                         C. except               D. besides

53. A. the number of     B. a number of                 C. a large number of       D. the largest number of

52. A. In                      B. For                          C. Of                    D. By

51. A. who                   B. which                      C. where               D. when

50. A. by the way          B. on the way               C. on its way         D. in this way

49. A. not to taste          B. to taste                     C. tasting               D. taste

48. A. pleasant                     B. pleased                     C. bad                   D. terrible

47. A. sometimes          B. some time                C. some times        D. some days