1. The students come to class every day.
11. The men are sick.
2. The pencils are next to the books.
12. The cars run well
3. They have a new car.
13. The secretaries are very nice.
4 . The houses are very old.
14. The keys open the doors.
5. The buildings are empty.
15. The chairs are very comfortable.
6. The trains stop at the train stations.
16. Those languages are hard to learn.
7. The knives are on the table.
17. Their wives went to the office.
8. Those stores sell those magazines.
18. The computers are old.
9. We like the classes.
19. They have some money.
10. Their purses are empty
20. The records are missing.