Conjunctions

Which sentence is written correctly?

______ Billy had packed his lunch, he still had to place it in the kitchen cooler.

The wild fire approached the town,_____ many people remained in their homes.

Billy wanted to learn about lumber, ______he researched the topic online.

Jordan saddled her horse _____she wanted to take a ride.

Do you like math, grammar, ______ both subjects best?

Jordan would play with Billy, _______ she must catch the bus.

___________Jordan packed her bag, she left for the airport.

We can go to the movies,____ we can play football.