28. We've saved nothing this year, ___________?
27. I suppose you know the meaning of the word, __________?
26. They must be hungry, __________?
25. Something'll have to be done about the price, _________?
24. You must have stayed at home last night, _________?
23. We ought to read this book, _________?
22. I must answer the letter, _________?
21. My brother often has colds, __________?
20. We had to take the first train, __________?
19. There used to be a church behind the cemetery, ___________?