Pay careful attention to the original sentence. Include the "by..."
phrase only when the information is relevant.
1. They make the best kind of chocolate in Switzerland.
2. The police officers interrogated the thief.
3. People produce Diana snacks in El Salvador.
4. Someone stole our bicycles last night.
5. Alexander Graham Bell invented the telephone in 1876.
6. People eat tacos and burritos in Mexico.
7. My father paints our house every year.
8. Daisuke Inoue created the silent karaoke.​