1. The relationship _____ the two boys has changed significantly over the past few years.

2. In India, many girls get married _____ an early age.

3. I’m not _____ the mood for such silly games.

4. There were no security personnel _____ duty at that time.

5. The new smartphone is similar _____ the one I bought a few years ago.

6. My dad insisted _____ taking the later train.

7. People _____ ambition always try to achieve their goals, no matter what happens.

8. Mr Jenkins has been disabled all his life as a result _____ a childhood illness.

9. We bought the TV because it was _____ sale.

10. She has no understanding _____ how computers really work.

11. I gave him my new T-shirt in exchange _____ a few cigarettes.

12. The company is run _____ two people who hardly ever meet.

13. All the celebrations and parties were called _____ because of the tragic accident.

14. There was a great need _____ volunteers at the site of the crash.

15. Maria is not sure _____ her new job offer. She is still undecided.

16. She was disgusted with her weight problem, so she decided to go _____ a diet.

17. Requests for additional seats must be made _____ writing.

18. We’ve been waiting for over half an hour. She’s never _____ time.

19. I can always count _____ him to help me when I’m in trouble.

20. _____ now on, nobody will be allowed to go out during the test.

21. He succeeded _____ convincing his boss that it was the right thing to do.

22. It’s difficult to see the moon _____ day.

23. The world population will have reached over 8 billion _____ the year 2050.

24. She apologised _____ not telling me the whole truth about her affair.

25. The maths test was a great challenge. It took me _____ an hour to finish.