Unit1 The summer holidays

Unit2 In the lab

Unit3 American Engish

Unit4 Travel

Unit5 Why do you do that?

Unit6 A new factory

Unit7 Earthquakes

Unit8 Mainly revision

Unit9 Computers

Unit10 Sports

Unit11 Country music

Unit12 English programmes

Unit13 Abraham Lincoln

Unit14 Mainly revision

Unit15 Healthy eating

Unit16 Fire!

Unit17 Nature

Unit18 The necklace

Unit19 Jobs

Unit20 Mainly revision

Unit21 Karl Marx

Unit22 Britain and Ireland

Unit23 Rescuing the temple

Unit24 The science of farming

Unit25 At the conference

Unit26 Mainly revision