1. The shopkeeper opened the shop at nine o'clock.
2. Alexander Fleming discovered penicillin.
3. Boys play football.
4. He shows me his stamps each time when I come to his place.
5. I take books at the library. 6. People give presents at Christmas.
7. The postman brings newspapers every day.
8. They built our house ten years ago.
9. They calculated the answers very quickly.
10.They filmed the movie in black and white.
11. They played the match in the evening.
12. They sent the e-mail yesterday. 13. They show American films every Sunday on TV.
14. They speak Spanish in Peru. 15. They tidy the classroom every day.
16. They use disks for storing information.
17. We clean our classroom after the lessons.
18. We give milk to our cat every day.
19. We keep the dog in the yard. 20.We usually pick apples in September.
