Unit One 1
Unit Two 9
Unit Three 17
Unit Four 25
Unit Five 34
Unit Six 45
Unit Seven 55
Unit Eight 62
Unit Nine 69
Unit Ten 80
Unit Eleven 88
Unit Twelve 98
Unit Thirteen 105
Unit Fourteen 114
Unit Fifteen 121
Simulated Listening Test 1 130
Simulated Listening Test 2 135
Unit Sixteen 139
Unit Seventeen 147
Unit Eighteen 156
Unit Nineteen 167
Unit Twenty 178
Unit Twenty-one 185
Unit Twenty-two 197
Unit Twenty-three 205
Unit Twenty-four 216
Unit Twenty-five 227
Unit Twenty-six 238
Unit Twenty-seven 249
Unit Twenty-eight 261
Unit Twenty-nine 270
Unit Thirty 278
Simulated Listening Test 3 291
Simulated Listening Test 4 295
Simulated Listening Test 5 300
Answer Key 304