Решение:
1. Did you go out for dinner last night?
2. On Monday morning, he missed the bus and had to walk to school.
3. When she arrived, the bell had already rung and lessons had started.
4. While the children were singing a song, their parents were waiting for them in the hall.
5. Have you seen your sister recently?
6. I often try jogging in the morning.
7. What are they doing? They have been working in the garden for three hours.
8. She has already planned her holidays in the sun.
9. He has a wonderful voice.