Word list 2
Word list 1
Unit 12 The Earth
Unit 11 Trees
Unit 10 Air
Unit 9 Great cities of the world
Unit 8 Visiting museums
Unit 7 Seeing a film
Unit 6 E-friends
Unit 5 Animals in danger
Unit 4 Our neighbours
Unit 3 Healthy or unhealthy?
Unit 2 My summer holiday
Unit 1 Growing up ······共14首······
