Module 1 Travel
Unit 1 We toured the city by bus and by taxi.
Unit 2 It's a long story.
Unit 3 Language in use
模块总结
Module 2 Education
Unit 1 They don't sit in rows.
Unit 2 What do I like best about school?
Unit 3 Language in use
模块总结
Module 3 Life now and then
Unit 1 They sometimes work harder.
Unit 2 I think life is better today.
Unit 3 Language in use
模块总结
Module 4 Rules and suggestions
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