51. a. stimulate b. generate c. secure d. estimate
52. a. politic b. historic c. electric d. specific
53. a. reference b. accident c. coincide d. formulate
54. a. deposit b. dramatist c. register d. community
55. a. earthquake b. transaction c. applicant d. patriot
56. a. degree b. virtually c. assembly d. synthetic
57. a. coincide b. community c. conception d. committee
58. a. envelop b. astronaut c. tuberculosis d. poverty
59. a. altitude b. recover c. comedy d. library
60. a. demonstrate b. beatify c successful d. comfortable
51 . C
52 . D
53 . C
54 . D
55 . C
56 . B
57 . A
58 . C
59 . B
60 . C
