27. Some of the apples are bad ,___________?
26. Some of the water is not clean,___________?
25. Nothing is interesting,_______________?
24. Everything is all right, _____________?
23. Every is here ,___________?
22. Don't play on the road ,____________?
21. Open the door,__________?
20. He must have come here,___________?
19. He must have read the book,____________?
18. He must be at home ,___________?