P16~P20

P16~P20Unit 4 Growing upTest A第一部分1. A2. A3. A4. C5. A6. C7. C8. B9. A10. C第二部分11. B12. A13. B14. B15. A16. B17. C18. A19. C20. C第三部分1. I'm proud of my swimming skills.2. I learned to swim at the age of seven.Test B1. C2. A3. A4. A5. A6. C7. B8. B9. B10. A第二部分11. C12. B13. C14. A