Unit 1 In the library 1
Unit 2 Water sports 8
Unit 3 Make our world more beautiful 15
Unit 4 Travel 22
Unit 5 Have a good time! 29
Unit 6 Mainly revision 34
Unit 7 A man who never gave up 41
Unit 8 Merry Christmas! 47
Unit 9 What is it made of? 54
Unit 10 When was it built? 61
Unit 11 Planting trees 68
Unit 12 Mainly revision 75
Unit 13 The world's population 83
Unit 14 Shopping 90
Unit 15 A doctor for animals 98
Unit 16 The football match 105
Unit 17 The missing necklace 113
Unit 18 Mainly revision 122