1. IC; sc, ic

2. IC, cc ic sc

3. SC, ic

4. IC; ic

5. IC; ca sc ic

6. IC; ca, ic

7. IC, cc ic

8. IC: ic

9. IC sc

10. SC, ic sc

11. Jack passed his science test; his parents were very pleased.

12. Jack passed his science test; therefore, his parents were very pleased.

13. Jack passed his science test, but Kim failed her exam.

14. Jack passed his science test: he had studied for hours.

15. Jack passed his science test because he studied for hours.

16. Because he studied for hour, Jack passed his science test.

17. While everyone else was failing, Jack passed his science test because he studied for hours.

18. Jack passed his science test; when he received his score, he jumped in the air.

19. Jack passed his science test, so he jumped in the air when he received his score.

20. Jack passed his science test; therefore, when he received his score, he jumped in the air.