目录：
Unit One My School
Lesson One
Lesson Two
Review One
Unit Two My Classes
Lesson Three
Lesson Four
Review Two
Unit Three In the Library
Lesson Five
Lesson Six
Review Three
Unit Four Weekdays
Lesson Seven
Lesson Eight
Review Four
Unit Five The Weekend
Lesson Nine
Lesson Ten
Review Five
Unit Six My Daily Routine
Lesson Eleven
Lesson Twelve
Review Six
Words and Expressions in Each Unit
Word List
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