Unit 1 A Fresh Start 1
Unit 2 Act of Kindness 27
Unit 3 Food 53
Unit 4 Climateand Weather 83
Unit 5 Directions 110
Unit 6 Travel 137
Unit 7 Holidays 166
Unit 8 Physical Exercise 200
Answer Key to Supplementary Exercises 228
Answer Key to Tests 236
Answer Key to PETS 242