We didn't get to see the castle, but we had a lot of fun at the beach.

• We've connected two independent clauses (We didn't get to see the castle) and (we had a lot of fun at the beach) using the conjunction "but" to show contrast.

Trent likes to play football, but he doesn't like to study.

• We've completed the sentence using the conjunction "but" to show contrast between Trent's liking for football and his dislike for studying.

The spelling test was easy, so I finished it quickly.

• We've used "so" to show a cause-and-effect relationship. Because the test was easy, the person was able to finish it quickly.

Pizza is my favorite food, and I eat it every week.

• We've used "and" to add more information about the person's liking for pizza.

Bananas are good for you, so you should eat more of them.

• Again, we've used "so" to show a cause-and-effect relationship. Eating bananas is beneficial for health.

I fell over on the ground, and I scraped my knee.

• We've used "and" to describe two actions that happened in sequence.

It was cold outside, so I wore a coat.

• We've used "so" to show a cause-and-effect relationship. Because it was cold, the person wore a coat.

The kitten was hungry, so I gave it some milk.

• We've used "so" to show a cause-and-effect relationship. Because the kitten was hungry, it was given milk.

It was Grandma's birthday, so we had a party.

• We've used "so" to show a cause-and-effect relationship. Because it was Grandma's birthday, they had a party.

The movie was funny, and we laughed a lot.