UNIT 16 . CITIESPART 1. LB 2. A 3.D 4. C 5. BPART 2. 6. B

51. C 52. A 53. D 54. A 55. D 56. D 57. C 58. B 59. A 60. B

Part 5. 61. A 62. D 63. C 64. A 65. B 66. B 67. A 68. D 69. C 70. B