Lesson 1

Lesson 2

Lesson 3

Lesson 4

Lesson 5

Lesson 6

Lesson 7 The Greens

Lesson 8 Our Class

Lesson 9 A Family

Lesson 10 Sidney Harvey

Lesson 11 The sun，the Moon and the Stars

Lesson 12 Learning to Do Farm Work

Lesson 13 A Wrong Number

Lesson 14 An Announcement

Lesson 15 Arrangements

Lesson 16 A Day at School for Marie Curie

Lesson 17 Mark Twain in France

Lesson 18 A Letter

Lesson 19 The Lost Watch

Lesson 20 Revision Exercises

Vocabulary