Bài 14:

1. although

2. so

3. but

4. so

5. because

6. but

7. but

8. so

9. because

10. although

11. but

12. so

13. although

14. so

15. but

16. because

17. because

18. because

19. because

20. although

Bài 15:

1. She's in hospital because she had an accident

2. They don't work many hours but they have much money

3. Paul asked me a question so I replied

4. I buy tomatos, potatos and peppers

6. Karthink can play the piano but he can't play the violin

9. You can take the blue shirt or the green shirt

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