Unit1 In the library 1
Unit2 Water sports 9
Unit3 Make our world more beautiful! 18
Unit4 Travel 27
Unit5 Have a good time! 36
Unit6 Mainly revision 45
Unit1-6 Test 53
Unit7 A man who never gave up 61
Unit8 Merry Christmas 70
Unit9 What is it made of? 79
Unit10 When was it built? 87
Unit11 Planting trees 95
Unit12 Mainly revision 103
Unit7-12 Test 110
Unit13 The world s population 116
Unit14 Shopping 124
Unit15 A doctor for animals 132
Unit16 The football match 139
Unit17 The missing necklace 146
Unit18 Mainly revision 154
Unit13-18 Test 160
Keys and suggestions 166