1. This luxury car is available ____ hire for weddings and special events.

2. I can't say ____ certain when the results will be announced.

3. Once everyone was ____ board, the ship began its journey across the Atlantic.

4. It’s often difficult for famous people to talk about their personal lives ____ public.

5. You should spend ____ least twenty minutes a day exercising to stay healthy.

6. If you send the documents ____ air mail, they should arrive within three days.

7. To put it ____ short, we decided to cancel the project due to a lack of funds.

8. The shop assistant told me that I would get a discount if I paid ____ cash.

9. I don't know why he's complaining; he shouldn't have gone there ____ the first place.

10. The students are going ____ an excursion to the National Museum tomorrow.

11. She has lived ____ her own since she moved to London five years ago.

12. I met an old school friend ____ chance while I was shopping in the mall.

13. The construction of the new bridge is right ____ schedule and will open next month.

14. I'm so sorry I broke your vase; I did it ____ accident while cleaning.

15. Many people, ____ instance my brother, prefer working from home these days.

16. I don't have enough cash, so is it possible to pay for the furniture ____ cheque?

17. We’ve been working all day, so let’s go out for dinner ____ a change.

18. He said he was busy; ____ other words, he didn't want to come to the party.

19. They are currently ____ a tour of Europe, visiting ten different countries.

20. Don't ask the boss for a raise today; he’s ____ a bad mood because of the sales report.

21. As a traveling salesman, he is constantly ____ the move from one city to another.

22. It is impossible to finish all this work ____ once; you need to prioritize.

23. The two world leaders met ____ private to discuss the new peace treaty.

24. All assignments are due tomorrow ____ fail, or you will lose marks.

25. A computer chooses the lottery numbers ____ random to ensure total fairness.