Here are the tag questions for each statement:

1. Today is your birthday, **isn't it?**
2. Daisy always drinks a cup of tea after lunch, **doesn't she?**
3. Coffee and beer aren't good for children, **are they?**
4. Children don't smoke cigarettes, **do they?**
5. I am late for the appointment, **aren't I?**
6. You could help him to do that, **couldn't you?**
7. They ought to go, **oughtn't they?**
8. You haven't just met her, **have you?**
9. He used to smoke cigars, **didn't he?**
10. Your teacher has a new car, **doesn't she?**
11. You have never been there before, **have you?**
12. Someone broke that vase, **didn't they?**
13. A few people knew the answer, **didn't they?**
14. Thú's father reads a morning newspaper everyday, **doesn't he?**
15. Lan enjoys sewing clothes for her doll, **doesn't she?**
16. People have to rebuild the building after the fire, **don't they?**
17. Ba likes orange juice, **doesn't he?**
18. Hoa did a lot of homework last night, **didn't she?**
19. You will have cable TV soon, **won't you?**
20. Remember to close the door, **won't you?**
21. You've already done your homework, **haven't you?**
22. They don't walk regularly, **do they?**
23. We must all work very hard, **mustn't we?**
24. Your classmates are going to have a picnic, **aren't they?**
25. Mr. Smith has kindly provided a picnic lunch for **us, hasn't he?**