1. Kate is a teacher. Her parents were teachers too. 2. Chemistry was my favorite subject at school. 3. There is a concert hall not far from our house. 4. My friends are planning the holiday together. 5. When I was a child I used to collect stamps. 6. Mary teaches economics. 7. You need a visa to visit Great Britain. 8. There was a lot of snow on the ground. 9. How well can a cat see in the dark. 10. He was awake all night with toothache. 11. The mumps can be very unpleasant. 12. He went to sea when he was 18. 13. My mother often suffers from backache. 14. I love flowers. He bought me a few flowers. 15. Does Helen speak French? 16. This cloth costs ten pounds a meter. 17. What’s this? Is it a book or a magazine? 18. He doesn’t want to go to the hairdresser’s again. 19. – Where’s Tom? – He’s in the Dean’s office. 20. When did you see him last? 21. She was the last to be invited to the office.