1 College

Ⅰ．Review

Ⅱ．Extended Exercises

2 Food

Ⅰ．Review

Ⅱ．Extended Exercises

3 Learning

Ⅰ．Review

Ⅱ．Extended Exercises

4 Sports

Ⅰ．Review

Ⅱ．Extended Exercises

5 Digital Age

Ⅰ．Review

Ⅱ．Extended Exercises

6 Environment

Ⅰ．Review

Ⅱ．Extended Exercises

7 Fashion and Beauty

Ⅰ．Review

Ⅱ．Extended Exercises

8 Career

Ⅰ．Review

Ⅱ．Extended Exercises

Keys and Answers