P83~P90

P83~P90Unit 3 Teenage problemsⅠ. 完形填空1. C2. C3. B4. B5. B6. A7. C8. A9. D10. D11. A12. D13. C14. B15. AⅡ. 阅读理解A1. D2. B3. D4. DB1. B2. A3. D4. CⅢ. 任务型阅读A1. America2. reasons3. prefer4. help5. right6. same7. faster8. importance9. against10. expressingB1. Homework is a big part of going to school.2. Going to a birthday party.3. In study halls.4. More than two hours.5.Understand the task, and