1. Mary's two children are at college. The boy is at medical school, and the girl is at teacher-training college.
2. "What was the weather like the day before yesterday?" "It was fine. I love fine weather."
3. We did our homework, and then played tennis yesterday.
4. I seldom go to the hospital. I last was in the hospital ten years ago.
5. This is a hospital. It's a new hospital.