1. This song has such a ...tune.

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

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

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

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

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

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

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

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

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

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

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

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

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

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