1. *underline so*, it’s a coordinating conjunction
2. *underline although*, it’s a subordinating conjunction
3. *underline but*, it’s a coordinating conjunction
4. *underline for*, it’s a coordinating conjunction
B___
1. Alex and his brother went to the grocery store, but they forgot to take their shopping list, so they went home.
2. You think hockey is fun, and I don’t, even Chris doesn’t.
3. The teachers baked cookies, and the students put up decorations.
4. The United States once had dense forests, but today many forests are gone.
5. We went to the beach on vacation, when we could have gone to the mountains.