Составьте письменно общие и разделительные вопросы к следующим предложениям.
1. Our headwaiter knows several foreign languages. 2. He has ordered a substantial breakfast. 3. They were in many countries. 4. They are working in the dining room. 5. Dinner is the largest meal during the day. 6. I heard about this restaurant from my friend. 7. He likes oysters.