Learning Units
Unit 1 Digital Age
Unit 2 Life Story
Unit 3 Transportation
Unit 4 Work
Unit 5 Science and Technology
Unit 6 Economy
Unit 7 Food
Unit 8 Family
Unit 9 Communication
Unit 10 Our Planet
Key to the Exercises and Scripts
Unit 1 Digital Age
Unit 2 Life Story
Unit 3 Transportation
Unit 4 Work
Unit 5 Science and Technology
Unit 6 Economy
Unit 7 Food
Unit 8 Family
Unit 9 Communication
Unit 10 Our Planet
