B 72. B 73. C 74. A 75. C 76. B 77. C 78. C 79. A 80. A

71. - DE THI DAI HOC CUA BO GD DT2010 DAP AN
DE THI DAI HOC CUA BO GD DT2010 DAP AN

71. B 72. B 73. C 74. A 75. C 76. B 77. C 78. C 79. A 80. A