Practical Exercises 1
Unit One 1
Unit Two 11
Unit Three 21
Unit Four 30
Unit Five 39
Unit Six 47
Unit Seven 55
Unit Eight 62
Unit Nine 70
Unit Ten 77
Unit Eleven 85
Unit Twelve 92
Unit Thirteen 101
Suggested Key To Exercises 109
Transcript 128
Unit One 128
Unit Two 130
Unit Three 133
Unit Four 137
Unit Five 140
Unit Six 143
Unit Seven 147
Unit Eight 149
Unit Nine 153
Unit Ten 156
Unit Eleven 159
Unit Twelve 162
Unit Thirteen 165