Here are the sentences filled in with the most appropriate coordinating conjunctions:

1. John had a good chance of getting the job, **but** he didn’t apply.

2. I am having a hard time. I don’t like changing jobs, **nor** do I want to continue with my current job.

3. Some people prefer to gain work experience first, **and** they may choose to further their education.

4. Anastasia is training to become a teacher, **for** she is working in a classroom every day to complete her college experience.

5. Andrew wanted to quit his job, **but** he wanted to travel the world instead.