1. You have to make sure children do not play with matches.

2. My father ought to be on a diet because he is quite fat.

3. Why mustn't we let children play in the kitchen?

4. He spends his free time doing volunteer work at a local orphanage.

5. A customer telephoned the Thang Loi Delivery Service just before midday on May 12.

6. On the desk there are many folders and above the desk, there is a bookshelf.

7. You have to keep all dangerous objects out of children's reach.

8. Children often received a lot of presents on the Tet holiday.

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1. dangerous

2. safely

3. emigrates

4. dangerous

5. unsuccessful

6. generously

7. electricity

8. humorously

9. extremely

10. safely

11. exhibition

12. differently

13. unsuitable

14. countless

15. invention

16 electricity

17. arrangement

18. destroys

19. annoy

20. unsafe

21. wisely

22. immediately

23. electrical

24. uncomfortable

25. unhappy

26. assistant

27. peaceful

28. dangerous

29. successfully

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