1. You should try to find the best ... to this problem.

2. You will not succeed if you are so ... .

3. He cannot have done it all by himself! It is ...!

4. This song has such a ...tune.

5. 1986 (the year of Chernobyl) was ... for Belarus.

6. We were thankful to him for his ... to help us.

7. The task is too difficult. You should have ... it.

8. We want to express our sincere ... for your assistance.

9. Please remind him of his promise, he is ... as you know.

10. I hope this trip will ... your knowledge about the birds that are found in our country.

11. During World War II Minsk was almost completely ... by the Nazis.

12. The municipal authorities decided to ... the road in summer.

13. There was not enough time to prepare for the test, and we were certainly ... with the results.

14. I am sure he is ... to do it without your help.

15. Do not worry, he is no longer ... when he drives.