Bài Làm:
81. A |
91. A |
101. B |
111.A |
82. B |
92. C |
102. A |
112.A |
83. A |
93. C |
103.C |
113.D |
84. C |
94. B |
104.A |
114.B |
85. D |
95. B |
105.D |
115.D |
86. D |
96. C |
106.A |
116.D |
87. D |
97. B |
107.C |
117.D |
88. C |
98. A |
108.A |
118.D |
89. B |
99. D |
109.C |
119.D |
90. B |
100. C |
110.D |
120.D |