Вставьте глагол to be в Present Simple, Past Simple и Future Simple Tense. 1. My mother ___ a teacher. She ___ a student 5 years ago. 2. I ___ a student of a medical college. I ___ a doctor when I finish it. 3. I ___ at home today because it … a holiday. I … at home tomorrow, too. 4. ___ your parents at work today? ___ they ___ at work tomorrow? 5. My sister ___ ill last week. She ___ not ill now. 6. Yesterday we … at the theatre. Tomorrow we ___ at the cinema.