1. The sun was shining brightly, but the air was still cold. (but)
2. I went to the store to buy milk, and I also picked up some bread. (and)
3. She loves to read, or she enjoys watching movies. (or)
4. We can go to the beach, or we can stay home and relax. (or)
5. The sky was dark, so we decided to go inside. (so)
6. I ate lunch, then I went to the park for a walk. (then)
7. He was tired, yet he finished his work. (yet)
8. We'll go to the game, unless it rains. (unless)
9. I like to eat pizza, while my sister prefers pasta. (while)
10. Although it was late, I stayed up to finish the project. (although)
11. Because it was a holiday, everyone was off work. (because)
12. I like to listen to music, as well as watch movies. (as well as)
13. She is a good student, for she always studies hard. (for)
14. I was hungry, therefore I ate a sandwich. (therefore)
15. The dog was happy, since it got a new toy. (since)