主页 学习资源 BUSINESS | 商务话题 Business Result Elementary Unit 1 Unit 1 本节的教训 请注意: strong>需注册登录查看以上内容。 strong> Lesson 1 - Nationalities, Countries, Jobs Lesson 2 - Present Simple - Possessives Lesson 3 - Saying Hello and Goodbye Elementary - Unit 1 Progress Test