1. It is of vital __________ that doctors sterilise surgical equipment before using it.

2. It is of vital importance that doctors __________ surgical equipment before using it.

3. It is your __________ to switch off the lights when you leave the office.

4. __________ was down to a metre due to the thick fog, so we had to drive very cautiously.

5. Visibility was down to a metre due to the thick fog, so we had to drive very __________.

6. Supermarkets offer a wide __________ of products to consumers every day.

7. They depended on growing tomatoes for their __________ in the rural village.

8. He is very __________ and has a lively personality, so he gets along with almost everyone.

9. He is very cheerful and has a lively __________, so he gets along with almost everyone.

10. For their own __________, passengers are advised to remain seated during the flight.

11. The manager of the company is concerned about the decrease in __________ this quarter.

12. Do you know the famous saying “__________ killed the cat”?

13. Can you sign this document, please? Don’t worry, it’s just a __________.

14. Violent, trouble-causing hooligans are a __________ among football fans.

15. We would like to point out the __________ between this new type of engine and the conventional one.

16. We would like to point out the dissimilarity between this new type of engine and the __________ one.

17. You have to __________ plants if you want them to grow well and healthy.

18. Despite being a keen camper, I find the __________ in this forest unbearable at night.

19. In order to __________ your shoulders, you have to do many push-ups at the gym.

20. She didn't like the natural colour of her hair, so she decided to __________ it.

21. The suspect was released because of a complete lack of __________ against him.

22. Being unable to meet John, I rang to apologise for the __________ I had caused him.

23. __________ in at least two languages is essential if you want to become an interpreter.

24. The town council placed restrictions on the water supply due to a __________ of water that year.

25. There are many complaints about the __________ of facilities for the handicapped in this building.