1. The gold , silver , and bronze medalists took their places on the podium for the present ceremony. 

2. Unfortunately, dark clouds soon appeared and it began to rain. 

3. Laura blames her unhappiness on being single , but I'm not so sure. 

4. Many representatives of the older generation were there. 

5. She has cut herself , and it is bleeding quite badly. 

6. His health was seriously affected and he suffered from constant sleeplessness .

7. Bao is extremely kind and generous to everyone. 

8. I'm pleased to hear that you had an ẹnjoyable Christmas vacation. 

9.This knife is useful - it can cut everything.

10. The Scouting Association is the largest voluntary youth organization in the world. 

1.  medalists 

2. Unfortunately

3. unhappiness 

4. representatives 

5. bleeding 

6. sleeplessness 

7.  extremely 

8.enjoyable 

9. useful 

10. voluntary