1 College 1
Ⅰ．Review 1
Ⅱ．Extended Exercises 3
2 Food 11
Ⅰ．Review 11
Ⅱ．Extended Exercises 13
3 Learning 21
Ⅰ．Review 21
ⅡⅡ．Extended Exercises 23
4 Sports 33
Ⅰ．Review 33
Ⅱ．Extended Exercises 35
5 Digital Age 43
Ⅰ．Review 43
ⅡⅠ．Extended Exercises 45
6 Environment 54
Ⅰ．Review 54
Ⅱ．Extended Exercises 56
7 Fashion and Beauty 65
Ⅰ．Review 65
Ⅱ．Extended Exercises 67
8 Career 76
Ⅰ．Review 76
Ⅱ．Extended Exercises 78
Keys and Answers 87