STUDENT´S BOOK EXERCISES...

PAGE 59 EXERCISES 1-2 PAGE 60 EXERCISES 1-2 PAGE 61 EXERCISES 3-4-5-6-7-8-9 PAGE 62 EXERCISES 1 PAGE 63 EXERCISES 5-6-7-8-9 PAGE 64 EXERCISES 1-2-3 PAGE 65 EXERCISES 4-5-7 PAGE 69 EXERCISES 1-2-3-4-5-6-7