Unit 1 1
Unit 2 9
Unit 3 16
Unit 4 23
Unit 5 30
Unit 6 39
Unit 7 46
Unit 8 53
Unit 9 61
Unit 10 69
Unit 11 77
Unit 12 84
Unit 13 92
Unit 14 100
Unit 15 110
Unit 16 118
Unit 17 126
Unit 18 135
Unit 19 143
Unit 20 151
Unit 21 160
Unit 22 168
Unit 23 174
Unit 24 180
Cloze Test 188
Key to reading comprehension 236
Key to cloze test 238