Extra Materials for Pre-Intermediate Units 1-12
Click for Pre-Int Unit 1 Click for Answer key for Unit 1
Click for Pre-Int Unit 2 Click for Answer key for Unit 2
Click for Pre-Int Unit 3 Click for Answer key for Unit 3
Click for Pre-Int Unit 4 Click for Answer key for Unit 4
Click for Pre-Int Unit 5 Click for Answer key for Unit 5
Click for Pre-Int Unit 6 Click for Answer key for Unit 6
Click for Pre-Int Unit 7 Click for Answer key for Unit 7
Click for Pre-Int Unit 8 Click for Answer key for Unit 8
Click for Pre-Int Unit 9 Click for Answer key for Unit 9
Clik for Pre-Int Unit 10 Click for Answer key for Unit 10