1. The sun was shining brightly, but the wind was cold. (joined by "but")
2. I went to the store, and I bought some milk. (joined by "and")
3. She studied hard for the test, so she got a good grade. (joined by "so")
4. The dog barked loudly, yet the cat remained asleep. (joined by "yet")
5. He wanted to go to the beach, or he could stay home and watch a movie. (joined by "or")