Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
Lesson 11
Lesson 12
Lesson 13
Lesson 14
Lesson 15

Exercise 3.1
Exercise 3.2
Exercise 3.3
Exercise 3.4
Exercise 3.5
Exercise 3.6
Exercise 3.7
Exercise 3.8
Exercise 3.9
Exercise 3.10
Exercise 3.11
Exercise 3.12
Exercise 3.13
Exercise 3.15
Exercise 3.16
Exercise 3.18
Exercise 3.19
Exercise 3.20
Exercise 3.21
Exercise 3.22
Exercise 3.23
Exercise 3.24
Exercise 3.25
Exercise 3.26
Exercise 3.27

p. 39 3.30 Informal conversation
p. 39 3.31 Formal conversation