Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
Lesson 11
Lesson 12
家庭成员（family members)
感恩节（Thanksgiving)
科学报告（science projects)
lesson1 & lesson 2
lesson 3 & 4
Lesson 5&6
Lesson 7 & 8
lesson 9 &10
lesson 11 & 12
lesson 13
lesson 14