51. D 52. A 53. C 54. B 55. C 56. A 57. B 58. D 59. D 60. C
61. D 62. C 63. B 64. A 65. C 66. B 67. C 68. D 69. D 70. C
71. A 72. C 73. B 74. A 75. D 76. B 77. B 78. A 79. D 80. A
S1. typical S2. relatively S3. boring
S4. describe S5. variety S6. normal S7. uniform
S8. seven&nb, sp;bad men jumped out, one man had a knife and we got into a fight.
S9. She was trying to get to the hospital, but there was a bad traffic jam.
S10. the baby waited to “arrive” until we got to the hospital.