1. He teaches nothing but music all day long.

 2. All but one person left the movie theater.

 3. He left the house this morning wearing nothing but a hat and shoes. (The police soon arrested him.)

4. The company takes nothing but cash for the work that it does.

(They only take cash.)

 6. She does everyone’s job but her own. She needs to do her own work before she helps others.

 7. All but one country on the planet share a continent with other countries. Only Australia is by itself.

 8. Before someone testifies in a court of law or a hearing, the person is asked, “Do you promise to tell the truth, the whole truth, and nothing but the truth?”

 Here’s a YouTube video that explains more